{"id":"38769851-85b5-409d-bc44-26de64ee6276","arxiv_id":"2509.06753","paper_version":1,"verdict":"CONDITIONAL","confidence":"MODERATE","novelty_score":6.0,"correctness_risk":"medium","formal_verification":"none","parameter_count":8,"one_line_summary":"In detwinned alpha-RuCl3, low-energy magnons arise at M points transverse to the zigzag Bragg peaks, and a sixfold-symmetric continuum up to 16 meV is attributed to fractionalized Kitaev excitations.","lead":"This paper uses biaxial strain to detwin crystals of the honeycomb magnet alpha-RuCl3, then measures magnetic excitations with neutron scattering. In the detwinned crystal, low-energy spin waves emerge at the M points rather than at the magnetic Bragg positions, and a broad high-energy continuum points to fractionalized excitations, supporting Kitaev spin-liquid physics.","discovery_kind":"new_application","skeptic_critique":{"model":"deepseek-v4-flash","headline":"Fractionalized-continuum claim rests on unquantified exclusion of strain-induced defects and a bimagnon subtraction normalized to the 6 meV peak.","rationale":"The paper's most original and likely robust contribution is the detwinning technique and the observation that low-energy spin waves emerge at M rather than Y, with a C2-symmetric magnon pattern captured by LSWT. The high-energy continuum, however, is the sole evidence for fractionalized excitations. The authors acknowledge strain-induced stacking faults and defects, but never quantify how these affect the continuum. Their only quantitative check is a bimagnon DOS comparison scaled to the 6 meV peak, which is not an absolute normalization. The reader's weakest_assumption identified exactly this: strain-induced disorder could broaden or generate the continuum. I agree. I would not reject the paper: the M-point magnon finding and parameter set are valuable and the continuum may indeed be fractionalized. But the central QSL claim is CONDITIONAL on excluding disorder and multi-magnon contributions. Since the reader already reached CONDITIONAL, no verdict change is needed. I considered whether the apparent sixfold symmetry of the high-energy continuum might be an artifact of twin averaging in a 60% detwinned sample, but because each twin domain's C2 response would leave residual anisotropy under 60/20/20 weighting, a near-isotropic pattern is not obviously explained that way; the disorder/bimagnon subtraction issue is the more concrete threat.","tokens_in":14461,"tokens_out":7212,"duration_ms":87593,"concrete_test":"Measure the 4–16 meV continuum on the same crystal before and after releasing the biaxial strain (or at two strain levels) with identical Ei=22 meV and identical integration volumes, and compare absolute intensities and lineshapes at Γ, M, and Y. If the continuum is unchanged upon strain release, defect scattering is not the dominant source; if it decreases with reduced strain/defect density, the fractionalized assignment is weakened. This single test directly probes whether the acknowledged strain-induced stacking faults/defects contribute materially to the claimed fractionalized continuum.","verdict_should_be":"UNCHANGED","load_bearing_attack":"The central conclusion (Abstract; Fig. 4) is that the 4–16 meV continuum cannot be conventional magnons and therefore supports fractionalized excitations. This rests on two under-tested assumptions. First, in 'Biaxial-strain detwinning of RuCl3' the authors state that strain 'introduces stacking faults and defects' and changes the population of TN phases. Defects/stacking faults can produce broad, energy-distributed magnetic scattering, yet the paper only argues that the strain is too small to renormalize J/K/Γ (refs 39–41) and that low-energy magnon dispersions match unstrained samples. That defense addresses Hamiltonian modification, not incoherent defect scattering in the 4–16 meV region. Second, the bimagnon subtraction in Fig. 4(f) is not absolute: the calculated bimagnon DOS is scaled to match the observed ~6 meV peak. The conclusion that bimagnons account for 'only a small fraction' depends on the peak being purely bimagnon; if the 6 meV feature contains disorder or fractionalized weight, the residual after subtraction is not a clean fractionalized signal. Without absolute intensity calibration or a strain/disorder-controlled comparison, the continuum evidence for fractionalization is inconclusive.","agreement_with_reader":"agree"},"referee_report":{"model":"deepseek-v4-flash","summary":"The manuscript reports inelastic neutron scattering measurements on α-RuCl3 single crystals that were partially detwinned by biaxial anisotropic strain. The authors find that low-energy spin waves emerge from the M/M′ points rather than from the magnetic Bragg Y points, yielding a C2-symmetric magnon dispersion in the detwinned state. They fit the observed dispersion to the extended Kitaev model with six exchange parameters (J = −1.47, K = −11, Γ = 3.52, Γ′ = 0.33, J2 = −0.91, J3 = 1.89 meV) and reproduce the data after including a ~40% minority twin contribution. Above the magnon band, they identify a ~6 meV peak at Γ that they assign to bimagnon scattering, and a broad continuum extending to ~16 meV that they attribute predominantly to fractionalized excitations, concluding that this supports proximate Kitaev quantum spin liquid physics.","tokens_in":14734,"tokens_out":2708,"duration_ms":30395,"significance":"If the central low-energy result holds, the observation that magnons emerge from the M points rather than the magnetic Bragg Y points is a clear, symmetry-based confirmation of bond-directional anisotropic interactions in α-RuCl3. The detwinning technique itself, using biaxial strain to align zigzag domains, is a useful methodological contribution. The high-energy continuum claim, if substantiated, would strengthen the case for fractionalized excitations. The present manuscript, however, does not yet provide the quantitative support needed for that high-energy conclusion: the bimagnon subtraction is not absolute, strain-induced defects are acknowledged but their magnetic scattering contribution is not assessed, and the six-parameter fit lacks uncertainty estimates. These issues are local in the sense that they concern analysis rather than the raw data, but they are load-bearing for the abstract's central claim.","major_comments":[{"comment":"The conclusion that bimagnons account for 'only a small fraction' of the continuum rests on scaling the calculated bimagnon DOS to match the observed ~6 meV peak. This is circular: the residual after subtraction depends entirely on the normalization. Without absolute intensity calibration, an independent estimate of the bimagnon intensity, or a calculation normalized to the single-magnon cross-section, the red dashed residual in Fig. 4(f) cannot be interpreted as fractionalized spectral weight. Please provide a normalization that does not use the feature being explained.","section":"Fig. 4(f) and surrounding text"},{"comment":"The authors state that external strain 'introduces stacking faults and defects' and changes the population of TN≈7.5 K and TN≈10–14 K phases. The response then argues only that the strain is too small to renormalize J/K/Γ and that low-energy magnon dispersions match unstrained samples. This addresses Hamiltonian modification, not incoherent defect/stacking-fault scattering in the 4–16 meV window. Since the continuum is the primary evidence for fractionalized excitations, a strain-disorder control or a quantitative estimate of defect-induced scattering is required before assigning the residual continuum to fractionalized excitations.","section":"Section 'Biaxial-strain detwinning of RuCl3'"},{"comment":"The six-parameter LSWT fit is presented without uncertainties or a robustness analysis. The refined exchange set is a central quantitative claim, and the extracted E_min2 ≈ 4.5 ± 0.5 meV used to separate bimagnons from fractionalized continuum is computed from these same parameters. Parameter degeneracies and fit residuals along different high-symmetry directions need to be reported. Error bars on the eigenenergies and a covariance or bootstrap analysis would clarify whether the bimagnon minimum and the bimagnon DOS are stable.","section":"Section 'Magnetic interactions' and Fig. 1(k)"},{"comment":"The abstract and summary state that 'the dominant spectral weight forms a sixfold-symmetric continuum extending up to ~16 meV.' However, at E = 12.5 ± 1.5 meV, Fig. 3(h) and Fig. 3(l) show an 'essentially featureless, isotropic cloud around Γ', and the 8 and 10 meV maps retain a recognizable C2 elongation. The sixfold character is most clearly supported at 4.3 meV. Please specify the energy range over which the sixfold symmetry actually holds and adjust the wording of the abstract if the high-energy response is isotropic rather than sixfold.","section":"Captions of Fig. 3(h) and Fig. 3(l)"},{"comment":"The argument that the C6-symmetric continuum below E_min2 is fractionalized relies on the C2 multi-magnon contributions being absent below 4.5 meV. But the same LSWT parameters that produce this threshold also yield the single-magnon dispersion that was fitted. Since no independent constraint fixes the full parameter set (e.g., from magnetic susceptibility, specific heat, or polarized neutron data), the threshold E_min2 and the resulting assignment are not robust. A supplementary check varying the couplings within their uncertainties would show how much of the 'below-bimagnon continuum' remains non-magnonic.","section":"Section 'C2 and C6 symmetric excitations'"}],"minor_comments":[{"comment":"There are several typos: 'high-precesion' should be 'high-precision', 'privious' should be 'previous', 'continuua' should be 'continua', and the reference in the text to 'Fig. (c)' and 'Fig. S2' is ambiguous because the figure numbering is not fully defined in the main text.","section":"General"},{"comment":"The orange dashed curve in Fig. 4(f) is said to be a peak at ~6 meV, but the figure does not distinguish between the raw data and the fitted Lorentzian. Please clarify which curve is data and which is the fit, and show the fitted background.","section":"Fig. 4"},{"comment":"The intensity ratio IY : IM : IM′ = 3:1:1 is stated to imply 60% single-domain population, but the conversion to a domain fraction depends on the domain geometry and on the integrated Q ranges. State the assumed twin domain orientations and the explicit mapping between intensity ratios and percentages.","section":"Fig. 1(h)-(i)"},{"comment":"The paper cites ref. [24] for 'supplementary information' and 'details' but the supplementary material is not included in the arXiv posting. Since several load-bearing points (thermal expansion cycles, minority-twin model, additional cuts) are deferred there, the main text should include enough of those details for the reader to assess the claims, or the supplement should be made available with the preprint.","section":"References"},{"comment":"The phrase 'spin waves typically originate from magnetic wavevectors' is too absolute: for anisotropic models, low-energy magnons can appear away from the ordering wavevector. The authors themselves cite refs. 17, 28, 36, 43. Please rephrase to avoid implying that the M-point minimum is unprecedented.","section":"Section 'Dichotomy between zigzag order and magnons'"}],"recommendation":"major_revision","confidential_remarks":"The low-energy detwinning result and the M-point magnon observation are likely to be of significant interest to the Kitaev-materials community. However, the paper's headline claim—that the high-energy continuum is predominantly fractionalized—is not yet supported by the quantitative analysis as presented. The bimagnon normalization issue is central and should be addressed by an absolute calculation or a clearly justified independent normalization. I also think the strain-defect concern is substantive: the authors acknowledge defects are introduced, and a continuum spanning 4–16 meV could plausibly be affected by such disorder. Providing a comparison with an unstrained twinned sample measured under identical conditions, or at least a realistic estimate of defect scattering, would materially strengthen the paper. The fit uncertainty issue is more standard but still necessary for a 'refined parameter set' claim."},"author_rebuttal":null,"desk_editor":{"model":"deepseek-v4-flash","letter":"Colleague,\n\nThe paper you asked about is worth your time for one reason: it introduces biaxial-strain detwinning of alpha-RuCl3 and uses it to get the first genuinely single-domain look at the low-energy spin dynamics. The observation that the magnons live at M rather than Y, with the Y intensity largely accounted for by the ~40% minority twins, is a real step forward, and the C2-symmetric dispersion plus the C6-to-C2 decomposition of the continuum is new data that the Kitaev community will want to chew on. The six-parameter LSWT fit reproduces the low-energy branches decently, as far as one can tell without error bars, and the magnon gap of ~2 meV at M is a concrete benchmark.\n\nThe soft spot is the fractionalized-excitation claim. It is load-bearing, and it rests on two things the paper does not actually nail down. First, the authors themselves say the strain introduces stacking faults and defects and changes the TN phase populations. They argue the strain is too small to renormalize J/K/Gamma, but that addresses Hamiltonian modification, not incoherent defect scattering in the 4-16 meV window. They do not compare with a disorder-controlled measurement or quantify what stacking faults do to the neutron response. Second, the bimagnon subtraction in Fig. 4(f) is normalized to the same 6 meV peak it is meant to explain. If that peak contains any disorder or fractionalized weight, the residual after scaling is not a clean fractional signal. No absolute intensity calibration is reported. So the evidence that the dominant high-energy continuum must be fractionalized is not conclusive. The M-point magnon result and the detwinning method survive that criticism; the continuum interpretation does not.\n\nThe abstract's 'directly visualize' is also a bit strong given 60% detwinning, but that is a minor overstatement.\n\nWho gets value: experimentalists working on Kitaev materials and theorists fitting extended Kitaev Hamiltonians. I would cite it for the detwinning technique and the M-point dispersion data. It deserves a serious referee: the experiment is novel and the data are probably reproducible, but the interpretation needs major revision, ideally with absolute intensity calibration or a disorder-controlled comparison. I'd send it to review, not desk reject.","headline":"Biaxial-strain detwinning gives the field a genuinely new experimental handle and a convincing M-point magnon result, but the fractionalized-continuum conclusion overreaches: strain-induced defects and a scaled bimagnon subtraction are not quantitatively excluded.","tokens_in":15357,"tokens_out":2311,"would_cite":true,"duration_ms":24910,"reading_group":"maybe","serious_thinker":"yes","would_accept_peer_review":true},"rs_alignment":null,"lean_confirmation":null,"pith_extraction":{"msc":[],"pacs":["75.10.Kt","75.25.-j","75.30.Ds","75.50.Ee","75.60.-d","78.70.Nx"],"model":"deepseek-v4-flash","headline":"theorists have argued that the continuum in RuCl3 is from magnon breakdown, but this paper uses biaxial strain to detwin crystals and reveal a sixfold-symmetric, high-energy continuum that conventional magnons cannot explain—pointing to fra","keywords":["α-RuCl3","Kitaev quantum spin liquid","biaxial strain","detwinning","fractionalized excitations","inelastic neutron scattering","extended Kitaev model","zigzag magnetic order"],"falsifier":"A specific falsifier would be a comparative inelastic neutron scattering (or resonant inelastic x-ray scattering) measurement of the high-energy continuum in the same detwinned sample both under strain and after releasing the strain: if the sixfold-symmetric continuum width and spectral weight are significantly broader under strain than in the same crystal measured unstrained (with twin-domain averaging accounted for), then strain-induced defects, not intrinsic fractionalized excitations, would carry a substantial part of the spectral weight, undermining the Kitaev-QSL interpretation.","tokens_in":14294,"feed_emoji":"🧲","tokens_out":2288,"duration_ms":24328,"temperature":0.7,"pith_summary":"This paper claims that the intrinsic magnetic excitations of the honeycomb magnet α-RuCl3, previously obscured by crystal twinning, can be directly visualized by applying biaxial anisotropic strain to detwin single crystals. Using inelastic neutron scattering on the detwinned crystals, the authors find that the low-energy spin waves emerge from the M points in reciprocal space rather than from the magnetic Bragg Y points—a direct signature of strongly bond-directional anisotropic magnetic interactions. More importantly, they uncover a high-energy excitation continuum extending to ~16 meV with sixfold symmetry that cannot be explained by conventional magnons or by bimagnon scattering alone, which they interpret as evidence for fractionalized excitations—a hallmark of Kitaev quantum spin liquid physics. The central message is that a symmetry-breaking strain probe reveals intrinsic, direction-resolved spin dynamics that support a proximate Kitaev spin-liquid description, and that this technique can be generalized to other candidate Kitaev materials.","feed_headline":"Strained RuCl3 crystals reveal quantum-spin-liquid hallmark","feed_subtitle":"In detwinned α-RuCl3, a sixfold-symmetric excitation continuum up to 16 meV points to fractionalized excitations—not conventional magnons.","key_machinery":"The central mechanism is the use of biaxial anisotropic strain—compressive along one Ru-Ru bond direction and tensile along the perpendicular axis—to detwin the magnetic domains of α-RuCl3, aligning approximately 60% of the zigzag domains along a single in-plane direction. This detwinning breaks the artificial C6 symmetry of the twinned crystal and reveals the intrinsic C2 symmetry of the zigzag-ordered state, allowing the authors to resolve where the magnon spectral weight actually originates (at M/M' points) and how the excitation symmetry evolves with energy. The second key machinery is the extended Kitaev model, a spin Hamiltonian with Heisenberg, Kitaev, and off-diagonal exchange terms,","core_discovery":"The central discovery is that in biaxial-strain detwinned α-RuCl3, the low-energy magnons emerge from the M and M' points—transverse to the magnetic Bragg peaks at the Y points—providing direct experimental evidence that anisotropic, bond-directional magnetic interactions shift the low-energy spin-wave spectral weight away from the magnetic ordering wavevector. Above the magnon band, the authors find a broad excitation continuum: a twofold-symmetric feature near 6 meV at the Γ point is consistent with bimagnon scattering, but the dominant spectral weight forms a sixfold-symmetric continuum extending up to ~16 meV that cannot be accounted for by conventional magnons or by bimagnon processes.","pith_inferences":["The paper's symmetry-based argument—that the low-energy C2 magnons and the high-energy C6 continuum belong to different excitation species—could be tested with polarized neutron scattering, which would distinguish magnetic and possibly non-magnetic scattering contributions to the continuum and could separate single-magnon from multi-particle responses.","A natural extension of the strain technique would be to apply it under finite magnetic fields: if the sixfold continuum is truly of Kitaev fractionalized origin, it should strengthen or sharpen as the system approaches the reported field-induced quantum spin liquid state, whereas a magnon-breakdown continuum would be expected to weaken as the magnon gap changes.","The refined parameter set implies specific predictions for other observable quantities, such as the temperature dependence of the thermal Hall conductivity or the magnon heat capacity, that could be checked in thermodynamic measurements to further validate the Hamiltonian.","The same strain-detwinning approach could be applied to other zigzag-ordered Kitaev candidates (e.g., Na2IrO3 or other honeycomb ruthenates) to reveal whether the M-point magnon dichotomy and the high-energy continuum are generic features of the Kitaev physics or specific to RuCl3."],"forward_implications":["If the fractionalized continuum interpretation is correct, the sixfold-symmetric high-energy scattering in α-RuCl3 provides a direct spectroscopic fingerprint of Kitaev quantum spin liquid physics, even in a magnetically ordered state.","The refined exchange parameters—with dominant ferromagnetic Kitaev K and substantial off-diagonal Γ—provide a more accurate microscopic basis for testing theories of the field-induced quantum spin liquid and the half-integer thermal Hall effect in α-RuCl3.","The demonstration that biaxial strain can detwin RuCl3 establishes a practical experimental diagnostic for revealing intrinsic anisotropic interactions in other candidate Kitaev materials, where twinning similarly obscures the intrinsic spin dynamics.","The observed dichotomy between the magnetic Bragg peaks (Y points) and the low-energy magnon minima (M/M' points) gives a new, directly testable signature of strongly anisotropic magnetic interactions that should be sought in other zigzag-ordered magnets.","The finding that the continuum extends to ~16 meV, far beyond the bimagnon band, suggests that fractionalized excitations coexist with magnon modes in the ordered phase, which could motivate new theoretical models of how fractionalization emerges in proximity to magnetic order."],"supporting_citations":[{"why":"Supplemental material referenced throughout for detwinning details, twin-domain fraction, and LSWT comparisons; it carries the technical load for the sample preparation and analysis.","marker":"[24]"},{"why":"Ran et al. 2017 supplied the earlier spin-wave evidence for the Kitaev interaction in twinned RuCl3, providing the baseline that the refined parameter set extends and corrects.","marker":"[11]"},{"why":"Winter et al. 2017 proposed the magnon-breakdown interpretation of the continuum that the paper explicitly seeks to rule out; it is the competing explanation the data are weighed against.","marker":"[17]"},{"why":"Ran et al. 2022 reported evidence for magnetic fractional excitations in twinned RuCl3; the paper's sixfold continuum builds directly on this assignment.","marker":"[27]"},{"why":"Banerjee et al. 2017 reported the proximate Kitaev QSL continuum in RuCl3, the original fractionalized-excitation claim that this detwinned study revisits and supports with symmetry-resolved data.","marker":"[9]"},{"why":"Do et al. 2017 attributed the Γ-point continuum to Majorana fermions in the Kitaev system; this paper's continuum interpretation extends that key claim to higher energy and to the M/Y points.","marker":"[10]"},{"why":"Rau et al. 2014 derived the generic spin model (extended Kitaev Hamiltonian) that is the theoretical framework the parameters are fit within.","marker":"[25]"},{"why":"Maksimov and Chernyshev 2020 provided a rethinking of α-RuCl3 that the paper's fit is compared against, particularly for the role of non-Kitaev terms like J2 and J3.","marker":"[26]"},{"why":"Samarakoon et al. 2022 extracted interaction parameters with machine learning; the paper compares its magnon dispersions and parameters to this modern baseline.","marker":"[30]"},{"why":"Knolle et al. 2014 calculated the dynamical structure factor of the Kitaev QSL, predicting the C6-symmetric continuum weight at Γ and zone edges that the paper's sixfold pattern is matched against.","marker":"[44]"}],"fun_headline_variants":["Strained RuCl3 reveals sixfold spin continuum, a Kitaev hallmark","Biaxial strain detwins RuCl3, exposing fractionalized excitations","Detwinned RuCl3: magnons at M points, continuum beyond magnons","RuCl3 strain study uncovers anisotropic spin waves and a 16-meV continuum","Strain reveals RuCl3's intrinsic spin dynamics: M-point magnons, exotic continuum"],"cache_read_input_tokens":2688,"weakest_assumption_plain":"The load-bearing premise is that the applied biaxial strain—which the authors concede introduces stacking faults and defects and alters the relative populations of the two TN phases—does not itself materially create or broaden the high-energy (4–16 meV) continuum attributed to fractionalized excitations; if the strain-induced disorder contributes significantly to that continuum, the fractionalized interpretation would be weakened, even if the M-point magnon observation still","fun_headline_variants_meta":{"raw":{"variants":["Strained RuCl3 reveals sixfold spin continuum, a Kitaev hallmark","Biaxial strain detwins RuCl3, exposing fractionalized excitations","Detwinned RuCl3: magnons at M points, continuum beyond magnons","RuCl3 strain study uncovers anisotropic spin waves and a 16-meV continuum","Strain reveals RuCl3's intrinsic spin dynamics: M-point magnons, exotic continuum"]},"model":"deepseek-v4-flash","effort":"low","cost_usd":0.000242,"raw_usage":{"total_tokens":1393,"prompt_tokens":805,"completion_tokens":588,"prompt_tokens_details":{"cached_tokens":256},"prompt_cache_hit_tokens":256,"prompt_cache_miss_tokens":549,"completion_tokens_details":{"reasoning_tokens":490}},"tokens_in":549,"tokens_out":588,"duration_ms":5915,"temperature":1.0,"reasoning_tokens":490,"cache_read_input_tokens":256,"cache_creation_input_tokens":0},"cache_creation_input_tokens":0},"created_at":"2026-08-04T23:09:35.674637+00:00","model_set":{"reader":"deepseek-v4-flash"},"falsifier":"A specific falsifier would be a comparative inelastic neutron scattering (or resonant inelastic x-ray scattering) measurement of the high-energy continuum in the same detwinned sample both under strain and after releasing the strain: if the sixfold-symmetric continuum width and spectral weight are significantly broader under strain than in the same crystal measured unstrained (with twin-domain averaging accounted for), then strain-induced defects, not intrinsic fractionalized excitations, would carry a substantial part of the spectral weight, undermining the Kitaev-QSL interpretation.","supporting_citations":[{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Supplemental material referenced throughout for detwinning details, twin-domain fraction, and LSWT comparisons; it carries the technical load for the sample preparation and analysis."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Winter et al. 2017 proposed the magnon-breakdown interpretation of the continuum that the paper explicitly seeks to rule out; it is the competing explanation the data are weighed against."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Ran et al. 2022 reported evidence for magnetic fractional excitations in twinned RuCl3; the paper's sixfold continuum builds directly on this assignment."},{"cited_title":"Do, S.-Y","cited_arxiv_id":null,"evidence_quote":"Do et al. 2017 attributed the Γ-point continuum to Majorana fermions in the Kitaev system; this paper's continuum interpretation extends that key claim to higher energy and to the M/Y points."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Maksimov and Chernyshev 2020 provided a rethinking of α-RuCl3 that the paper's fit is compared against, particularly for the role of non-Kitaev terms like J2 and J3."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Samarakoon et al. 2022 extracted interaction parameters with machine learning; the paper compares its magnon dispersions and parameters to this modern baseline."},{"cited_title":"Knolle, D","cited_arxiv_id":null,"evidence_quote":"Knolle et al. 2014 calculated the dynamical structure factor of the Kitaev QSL, predicting the C6-symmetric continuum weight at Γ and zone edges that the paper's sixfold pattern is matched against."}],"review_version":1}