{"id":"f610417c-1ced-4932-af2d-a42dca047470","arxiv_id":"2608.07013","paper_version":1,"verdict":"CONDITIONAL","confidence":"MODERATE","novelty_score":6.0,"correctness_risk":"medium","formal_verification":"none","parameter_count":4,"one_line_summary":"Muon measurements on CeMn2Ge2, PrMn2Ge2 and NdMn2Ge2 show the onset of magnetic dynamics near the conical-to-antiferromagnetic transition, in the skyrmion-bubble temperature regime.","lead":"Muon spin spectroscopy and density functional theory were used to map the local magnetism in three rare-earth intermetallics that reportedly host skyrmion bubbles at room temperature. The measurements reveal an onset of magnetic fluctuations at the transition from conical to antiferromagnetic order, in the temperature range where the bubbles have been seen.","discovery_kind":"new_application","skeptic_critique":{"model":"deepseek-v4-flash","headline":"The claim that the muon dynamics signal skyrmion-bubble correlations is not uniquely supported: the relaxation peak and the Redfield deviations are equally consistent with critical slowing down near the magnetic transition or field-induced phase coexistence.","rationale":"The reader's weakest assumption correctly identifies the most load-bearing point: the muon dynamics are attributed to skyrmion-bubble textures without a control that excludes critical slowing down, magnetic disorder, or phase coexistence. My reading of the manuscript supports this concern. The relaxation peak below Tc appears in all three materials and has a width of about 25 K, which is the expected temperature scale for critical fluctuations near a magnetic transition; the authors explicitly decline to give a specific interpretation of the energy scale. The Redfield deviations in NdMn2Ge2 are the only evidence for 'correlated' fluctuations, but the analysis is phenomenological: a power-law exponent change from 0.04 to 0.13 is small, the field scan crosses a region of high SkB density but also potentially field-induced phase changes, and the authors only say the deviation 'could be driven' by SkBs. There is no quantitative model of muon relaxation from a SkB texture, nor a comparison with a non-SkB temperature region. Thus the central claim is a plausible suggestion rather than a demonstrated result. I nevertheless do not propose rejecting the paper: the muon data themselves, including the onset of dynamics at the conical-to-AFM transition and the two-frequency response in NdMn2Ge2, appear carefully presented and well supported by the dipole-field calculations. The issue is the interpretive leap to skyrmion bubbles. Conditional acceptance with a request for a control experiment or a more explicit falsifiable test is the appropriate verdict. The abstract/body contradiction on the disorder trend is real and should be corrected, but it is not the central load-bearing issue. I agree with the reader's identification of the weakest assumption and do not see a separate concern that would change the verdict.","tokens_in":30812,"tokens_out":4884,"duration_ms":61508,"concrete_test":"A single decisive check is to measure the longitudinal-field relaxation rate lambda(B) on NdMn2Ge2 at T = 350 K, in the collinear AFM phase where no skyrmion bubbles are reported, using the same Redfield-plus-power-law analysis as the 280 K scan. If a comparable non-Redfield deviation or relaxation peak appears in this non-SkB region, the claim that the 280 K deviations are caused by skyrmion-bubble correlations is falsified. If no deviation appears, the same analysis should be repeated at 280 K with the field applied perpendicular to the c axis, where the skyrmion-bubble stability condition differs; persistence of the deviation would then indicate a generic field effect rather than a bubble-specific signature.","verdict_should_be":"UNCHANGED","load_bearing_attack":"The central claim in Sec. VII is that the onset of dynamics near the conical-to-AFM transition \"allows for the realisation\" of skyrmion bubbles and that the bubbles \"lead to correlated magnetic fluctuations in NdMn2Ge2.\" The supporting evidence is (i) a Lorentzian-shaped relaxation peak just below Tc in all three compounds (Secs. III-V) and (ii) deviations from the Redfield model in field scans at 280 K in NdMn2Ge2 (Sec. V C). Both are weak discriminators. A relaxation peak within about 25 K below a magnetic transition is the generic signature of critical slowing down, and the authors themselves state in Sec. VI that \"it is hard to give a specific interpretation to this energy scale.\" The Redfield deviation is quantified only by a change in an empirical power-law exponent from gamma = 0.04 to 0.13, and the text says this \"could be driven by the greater density of SkBs at 280 K\" - a stated possibility, not a tested model. The authors do not compute a predicted muon relaxation from a SkB texture, do not compare with a non-SkB control temperature or field region, and do not fit the data against a critical-fluctuations model. As a result, the strongest claim that SkBs produce correlated fluctuations is not established; the data are consistent with generic critical dynamics or field-induced inhomogeneity. The abstract also states that disorder above the transition increases from Ce to Nd, which contradicts the body's conclusion that Ce disorder is severe enough to eliminate oscillations while Nd disorder is less prevalent; this internal inconsistency is secondary but reinforces the need for caution in interpreting the trend.","agreement_with_reader":"agree"},"referee_report":{"model":"deepseek-v4-flash","summary":"The paper reports zero-field and longitudinal-field muon-spin spectroscopy and DFT-based muon-site calculations on the three isostructural intermetallics CeMn2Ge2, PrMn2Ge2, and NdMn2Ge2. The authors identify a common muon stopping site, reproduce the measured muon precession frequencies from published neutron magnetic structures in several phases, and track the evolution of spin dynamics across successive magnetic transitions. The central interpretive claim is that a dynamical relaxation peak just below the transition from a canted structure to collinear a-b-plane antiferromagnetism is associated with skyrmion-bubble excitations reported in this series, with the Nd compound additionally showing non-random, correlated fluctuations in the high-density skyrmion-bubble region.","tokens_in":31148,"tokens_out":2568,"duration_ms":31695,"significance":"If the dynamical interpretation is accepted, the paper provides a useful local-probe signature of the conical-to-AFM transition across an entire rare-earth intermetallic family and extends the muon-based phenomenology of skyrmion-hosting materials to a centrosymmetric, DM-free system. The experimental dataset is substantial and internally consistent: relaxation peaks are observed in all three compounds, the two-frequency response in NdMn2Ge2 is reproduced from externally reported neutron structures, the muon-site analysis is detailed and transparent, and the computational workflow (CASTEP, MuFinder, MuESR) is reproducible in principle. These strengths make the paper a valuable systematic muSR study regardless of the ultimate interpretation of the peak.","major_comments":[{"comment":"The abstract states that 'the level of disorder above this transition increases across the series from R=Ce to Nd,' but the body reports the opposite ordering. In Sec. III A the absence of oscillations above Tc in CeMn2Ge2 is attributed to severe dynamic disorder; Sec. IV A states that in PrMn2Ge2 'the amount of disorder is less, since coherent oscillations are still seen above Tc'; and Sec. V E concludes that in NdMn2Ge2 'the magnetic disorder due to dynamic fluctuations is less prevalent.' The conclusion in Sec. VII likewise describes the Ce compound as the one whose disorder is 'severe enough that oscillations are no longer resolved.' The abstract should be corrected to state that disorder decreases from Ce to Nd.","section":"Abstract and Secs. III A, V E, VII"},{"comment":"The central conclusion that skyrmion bubbles 'lead to correlated magnetic fluctuations in NdMn2Ge2' is not supported by the evidence presented. The supporting observations are a Lorentzian relaxation peak within about 25 K below the magnetic transition and a change in an empirical power-law exponent from gamma = 0.04 to 0.13 in the field scan at 280 K. Both features are also consistent with generic critical slowing down or field-induced phase coexistence. The authors themselves note in Sec. VI that 'it is hard to give a specific interpretation to this energy scale' and in Sec. V C that the Redfield deviation 'could be driven by the greater density of SkBs at 280 K.' No model prediction for the muon relaxation from a skyrmion-bubble texture is given, no comparison with a non-SkB control temperature or field region is made, and no fit against a critical-fluctuations model is reported. The Sec. VII statement should either be softened to a speculative suggestion or backed by a discriminating test.","section":"Secs. V C, VI, VII"},{"comment":"The claim that a single crystallographically unique muon site captures the low-temperature magnetism of all three compounds is weakened by the PrMn2Ge2 result. In Sec. IV B the dipole-field calculation for the reported low-temperature structure predicts an increase in local field of 680 mT, while the measured frequency decreases by 90 mT; Sec. IV C lists several possible explanations but no quantitative resolution. The site-selection procedure also involves fitted quantities: the 440 mT hyperfine offset for CeMn2Ge2, the Ce ordered moment of approximately 0.4 mu_B, and the choice of site A are all constrained by agreement with the measured frequencies. This does not invalidate the dynamics conclusions, which are independent of the site assignment, but it does limit the strength of the 'unique site captures all materials' claim as stated in the Introduction.","section":"Secs. III B, IV C, and Supplemental Material I"},{"comment":"The evidence for Ce magnetic ordering at low temperatures is presented more strongly than the data warrant. The only supporting signature is a 2 MHz increase in precession frequency below 5 K, and the authors then fit a Ce moment of about 0.4 mu_B to reproduce that change, while noting that the model's hyperfine contribution is unknown and that the literature value is about 0.16 mu_B. This is an interesting suggestion, but the text should consistently present it as a hypothesis consistent with the data rather than as a determination of Ce order.","section":"Sec. III A and Sec. III B"}],"minor_comments":[{"comment":"The phrase 'which can be prescribed to the greater energy cost' should read 'ascribed to'; the current wording appears to be a typographical error.","section":"Sec. V C"},{"comment":"The comparison of the relaxation-peak widths would benefit from a table listing T_c, T_peak, and Gamma for each compound and for each applied field, since these values are currently scattered across Secs. III, IV, and V.","section":"Sec. VI"},{"comment":"The expression for the conical helix in Eq. (2) uses a phase convention that should be defined explicitly; the text refers to the helical component being 'AFM aligned within the a-b plane,' but it is not stated how this alignment is encoded in the sign of the cosine/sine terms for neighboring Mn ions.","section":"Sec. II"},{"comment":"The pulsed-source analysis would be easier to follow if the parameters A_8 and A_9 were given numerical values or a reference to a fitting figure was included, since the amplitudes are globally refined but only the relaxation rates are shown in Fig. 8.","section":"Sec. V B"},{"comment":"The data availability statement is incomplete ('Research data will be made available via XXX'); a repository or contact reference should be supplied before publication.","section":"References"}],"recommendation":"major_revision","confidential_remarks":"The manuscript is a solid systematic muSR study with a well-documented computational pipeline, but the headline interpretation linking the relaxation peak to skyrmion bubbles currently outstrips the evidence, and the abstract contains a direct factual contradiction with the body. Both issues should be resolved before publication. The abstract contradiction is trivial to fix; the dynamical interpretation needs either an explicit downgrade to a hypothesis or a discriminating experimental test. I do not see grounds for rejection, but the present form is not acceptable as is."},"author_rebuttal":null,"desk_editor":{"model":"deepseek-v4-flash","letter":"Quick take: this is a solid new muSR data paper on three RMn2Ge2 compounds. The main result is a reproducible relaxation peak just below the conical-to-AFM transition, seen in all three with comparable width (~2.2–2.8 meV). That is real and useful, and the authors are right that it resembles dynamics seen in other skyrmion hosts. The muon-site work is careful; in Nd the two-frequency response below T_SR is reproduced from published neutron structures, which is a proper, non-circular check.\n\nWhere it is softer: the conclusion leans on the idea that these dynamics are tied to skyrmion bubbles, and the evidence for that specific link is thin. A relaxation peak within ~25 K of a magnetic transition is generically what critical slowing down looks like. The Redfield deviations at 280 K in Nd are a change from gamma = 0.04 to 0.13 plus a statement that it \"could be driven by\" SkB density. There is no calculation of muon relaxation from a SkB texture, no control in a non-SkB field/temperature region, and no fit against a critical-fluctuations model. The authors themselves admit in Sec. VI that \"it is hard to give a specific interpretation to this energy scale.\" The Sec. VII sentence claiming SkBs \"lead to correlated magnetic fluctuations in NdMn2Ge2\" goes beyond what the data can support. That should be softened to a hypothesis.\n\nAlso, the abstract says disorder above the transition increases from Ce to Nd, but the body says the opposite: Ce disorder is severe enough to wipe out oscillations, Nd is the least disordered. That contradiction should be fixed. Minor: the Pr low-temperature discrepancy (predicted field increase vs observed decrease) is left unresolved; the RKKY/muon-distortion explanations are plausible but speculative. The Ce moment and hyperfine offset are fitted, so the site-specific frequencies are partly circular, though the dynamics result does not depend on that assignment.\n\nBottom line: for an audience working on muSR in intermetallics or on the RMn2Ge2 family, this is worth reading and citing. The dataset is first-of-its-kind for these compounds and the central observation is solid. The skyrmion-bubble interpretation needs to be reframed as a suggestion, and the disorder contradiction fixed. I would send it to review and likely accept after minor/moderate revision.","headline":"First muSR across the RMn2Ge2 series gives a consistent dynamics signature near the conical-to-AFM transition, but the skyrmion-bubble attribution is a suggestion, not a tested model.","tokens_in":31734,"tokens_out":2559,"would_cite":true,"duration_ms":28157,"reading_group":"maybe","serious_thinker":"yes","would_accept_peer_review":true},"rs_alignment":null,"lean_confirmation":null,"pith_extraction":{"msc":[],"pacs":[],"model":"deepseek-v4-flash","headline":"This paper argues that a shared switch-on of magnetic dynamics accompanies the transition from canted-conical to a-b-plane antiferromagnetic order in $R$Mn$_2$Ge$_2$ ($R$=Ce, Pr, Nd), and that in the same temperature window these dynamics…","keywords":["muon-spin spectroscopy","skyrmion bubbles","rare-earth intermetallics","magnetic phase transitions","conical magnetism","antiferromagnetism","dipole field calculations","RMn2Ge2"],"falsifier":"Take the 280 K field scan of NdMn$_2$Ge$_2$ and image the same crystal with Lorentz transmission electron microscopy while sweeping the field through the crossover near 90 mT; if the skyrmion-bubble density shows no change where the muon relaxation switches from $\\gamma \\approx 0.04$ to $\\gamma \\approx 0.13$, the correlated-fluctuation interpretation is refuted.","tokens_in":30657,"feed_emoji":"🧲","tokens_out":12358,"duration_ms":123875,"temperature":0.7,"pith_summary":"The paper uses implanted muons as local magnetic probes to ask what all three $R$Mn$_2$Ge$_2$ compounds ($R$=Ce, Pr, Nd) have in common around the temperature where skyrmion bubbles appear. It argues that the defining feature is a sharp onset of magnetic dynamics as the Mn moments leave a canted cone aligned along $c$ and enter collinear antiferromagnetic order in the $a$-$b$ plane. The muon relaxation peaks in exactly the temperature window where Lorentz microscopy has reported skyrmion bubbles, and the dynamics resemble those of other skyrmion-hosting materials. In NdMn$_2$Ge$_2$ the field-dependent relaxation departs from the random-fluctuation (Redfield) model inside the high-density bubble region, which the paper reads as correlated magnetic fluctuations produced by the bubbles. If correct, bulk muon measurements could identify skyrmion-bubble regimes in this family without imaging.","feed_headline":"Muon probe links three rare-earth magnets to skyrmion bubbles","feed_subtitle":"A common dynamical fingerprint ties the conical-to-antiferromagnetic transition to skyrmion bubbles in all three compounds.","key_machinery":"The central object is the skyrmion bubble (SkB): a whirl of magnetic moments with skyrmion-like topology that is stabilised in a centrosymmetric magnet without the Dzyaloshinskii-Moriya interaction. The central probe is muon-spin relaxation, where implanted muons report the local-field distribution and its fluctuations; the peaked relaxation rate $\\lambda_3$ and the Redfield-model analysis convert the measured damping into a fluctuation rate and a fluctuation amplitude. Computed dipole fields at DFT-relaxed candidate muon sites, evaluated for the reported conical-helix structures, identify the one site at (0,0,0.2) that captures the response of all three compounds. The mechanism carrying the argument is the comparison between the temperature and field dependence of $\\lambda_3$ and the separately imaged skyrmion-bubble phase diagram: the same temperature window and the same field dependence make the dynamical signature a stand-in for the bubbles.","core_discovery":"Across the three compounds the authors identify a single muon site, (0,0,0.2), whose computed dipole-field distributions, built from the reported conical-helix structures, match the measured precession frequencies in the ordered states. The shared dynamical result is a peak in the longitudinal muon relaxation rate $\\lambda_3$ just below each material's transition to $a$-$b$-plane antiferromagnetism, with a characteristic width of roughly 25 K (a 2.2 meV energy scale), marking the point where local magnetic fluctuations switch on. This switch-on occurs in the region where skyrmion bubbles have been imaged, and the relaxation behaviour is similar to that seen in other skyrmion hosts. In NdMn$_2$Ge$_2$, field scans at 280 K deviate from the Redfield model for Gaussian random fluctuations, with a crossover near 90 mT from a nearly field-independent relaxation to a weak power-law field dependence; at 235 K, where fewer topological objects are reported, the Redfield model works. The paper concludes that the dynamics in this regime are enabled by and reflect the skyrmion bubbles, and that the high-density region in NdMn$_2$Ge$_2$ produces correlated, non-random magnetic fluctuations. At low temperatures, rare-earth ordering appears in all three materials, subtle in Ce and clearer in Pr and Nd, and the Nd compound shows a discontinuous two- to one-frequency transition at 215 K that the site calculations reproduce.","pith_inferences":["Because the paper itself concedes that the roughly 2.2 meV energy scale of the relaxation peak is hard to interpret, a natural competing explanation is ordinary critical slowing down at the spin-reorientation transition; this could be tested by studying a non-skyrmion analogue with the same magnetic phase sequence.","If the muon signature is a reliable mark of a skyrmion-bubble regime, then zero-field muon relaxation could be used as an imaging-free screening tool for other centrosymmetric $R$Mn$_2$X$_2$ intermetallics, where the same canted-to-collinear transition may produce bubble states.","The field-scan crossover near 90 mT in NdMn$_2$Ge$_2$ predicts a corresponding feature in magnetotransport: the topological or anomalous Hall effect in this material should show a change in its field dependence when the bubble density changes across that field.","The inferred Ce ordering at low temperatures rests on a small muon-frequency shift rather than on direct neutron evidence; measuring specific heat or neutron diffraction below 5 K would distinguish true Ce order from a muon-induced or hyperfine effect."],"forward_implications":["The switch-on of dynamics near the transition to $a$-$b$-plane antiferromagnetism is a common property of all three $R$Mn$_2$Ge$_2$ compounds, making it a usable fingerprint for the family.","The muon site at (0,0,0.2) describes the local-field response of CeMn$_2$Ge$_2$, PrMn$_2$Ge$_2$, and NdMn$_2$Ge$_2$ with one set of calculations, so future local-probe studies of the family have a reference site.","In NdMn$_2$Ge$_2$, the high-density skyrmion-bubble region near 280 K is dynamically distinct from the low-density region near 235 K: the former gives correlated, non-random fluctuations and the latter gives random Gaussian fluctuations.","The degree of magnetic disorder in the antiferromagnetic phase varies across the series: in CeMn$_2$Ge$_2$ the fluctuations are severe enough to suppress resolved muon oscillations, while PrMn$_2$Ge$_2$ and NdMn$_2$Ge$_2$ retain oscillating signals with less disorder.","Rare-earth ordering contributes distinct low-temperature signatures in each material, and in NdMn$_2$Ge$_2$ the two-frequency response below 215 K is reproduced only if the conical axis lies along $b$."],"supporting_citations":[{"why":"Reports the room-temperature skyrmionic-bubble lattice and phase diagram in $R$Mn$_2$Ge$_2$ (RE=Ce, Pr, Nd) and supplies the cooling protocol used to stabilise the bubbles; this is the external anchor for identifying the muon dynamics with skyrmion bubbles.","marker":"[33]"},{"why":"Shows that the skyrmionic core polarity in NdMn$_2$Ge$_2$ cannot be reversed by magnetic field, demonstrating that the objects are skyrmion bubbles without Dzyaloshinskii-Moriya stabilisation.","marker":"[32]"},{"why":"Neutron diffraction determination of the conical and antiferromagnetic magnetic structures of CeMn$_2$Ge$_2$, PrMn$_2$Ge$_2$, and NdMn$_2$Ge$_2$; provides the moment sizes, cone angles, and propagation vectors used in the dipole-field calculations.","marker":"[26]"},{"why":"Muon-spin spectroscopy reference supplying the relaxation formulas, Overhauser field distributions, and the fast-fluctuation limit used to interpret $\\lambda_3$ and the Redfield model.","marker":"[41]"},{"why":"Muon-spin relaxation study of megahertz dynamics in skyrmion systems, providing the comparative behaviour that the paper says its $R$Mn$_2$Ge$_2$ dynamics resemble.","marker":"[42]"},{"why":"Muon study of skyrmion dynamics in another material family, a second comparison that links a peaked relaxation near an ordering transition to skyrmion-related fluctuations.","marker":"[44]"},{"why":"Establishes the tuneable magnetic phase transitions and the low- and high-temperature magnetic structures of CeMn$_2$Ge$_2$ used in the Ce muon-site analysis.","marker":"[27]"},{"why":"Supplies the plane-wave pseudopotential density-functional-theory method used to relax muonated supercells and locate candidate muon positions.","marker":"[48]"},{"why":"Supplies the program used to generate and analyse candidate muon stopping sites, underlying the assignment of the realised muon site at (0,0,0.2).","marker":"[49]"},{"why":"Supplies the suite used to evaluate dipole-field distributions for the reported incommensurate helical structures at the candidate muon sites.","marker":"[51]"}],"fun_headline_variants":["Muon probe finds shared skyrmion-bubble signature in three magnets","Common muon signal ties transition to skyrmion bubbles in three magnets","Muon relaxation peak marks skyrmion-bubble regime in RMn2Ge2","Three rare-earth magnets share a muon fingerprint at the skyrmion-bubble transition","Muon dynamics reveal skyrmion-bubble fingerprints in three intermetallics"],"cache_read_input_tokens":3200,"weakest_assumption_plain":"The argument's load-bearing premise is that the muon relaxation peak near the magnetic transition, and the deviations from the Redfield model in NdMn$_2$Ge$_2$, come from skyrmion bubbles rather than from ordinary slowing-down of critical fluctuations or static magnetic disorder.","fun_headline_variants_meta":{"raw":{"variants":["Muon probe finds shared skyrmion-bubble signature in three magnets","Common muon signal ties transition to skyrmion bubbles in three magnets","Muon relaxation peak marks skyrmion-bubble regime in RMn2Ge2","Three rare-earth magnets share a muon fingerprint at the skyrmion-bubble transition","Muon dynamics reveal skyrmion-bubble fingerprints in three intermetallics"]},"model":"deepseek-v4-flash","effort":"low","cost_usd":0.000623,"raw_usage":{"total_tokens":2918,"prompt_tokens":1007,"completion_tokens":1911,"prompt_tokens_details":{"cached_tokens":384},"prompt_cache_hit_tokens":384,"prompt_cache_miss_tokens":623,"completion_tokens_details":{"reasoning_tokens":1807}},"tokens_in":623,"tokens_out":1911,"duration_ms":14536,"temperature":1.0,"reasoning_tokens":1807,"cache_read_input_tokens":384,"cache_creation_input_tokens":0},"cache_creation_input_tokens":0},"created_at":"2026-08-10T16:36:35.002516+00:00","model_set":{"reader":"deepseek-v4-flash"},"falsifier":"Take the 280 K field scan of NdMn$_2$Ge$_2$ and image the same crystal with Lorentz transmission electron microscopy while sweeping the field through the crossover near 90 mT; if the skyrmion-bubble density shows no change where the muon relaxation switches from $\\gamma \\approx 0.04$ to $\\gamma \\approx 0.13$, the correlated-fluctuation interpretation is refuted.","supporting_citations":[{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Neutron diffraction determination of the conical and antiferromagnetic magnetic structures of CeMn$_2$Ge$_2$, PrMn$_2$Ge$_2$, and NdMn$_2$Ge$_2$; provides the moment sizes, cone angles, and propagation vectors used in the dipole-field calculations."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Muon-spin spectroscopy reference supplying the relaxation formulas, Overhauser field distributions, and the fast-fluctuation limit used to interpret $\\lambda_3$ and the Redfield model."},{"cited_title":"Zheng, X","cited_arxiv_id":null,"evidence_quote":"Muon-spin relaxation study of megahertz dynamics in skyrmion systems, providing the comparative behaviour that the paper says its $R$Mn$_2$Ge$_2$ dynamics resemble."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Muon study of skyrmion dynamics in another material family, a second comparison that links a peaked relaxation near an ordering transition to skyrmion-related fluctuations."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Establishes the tuneable magnetic phase transitions and the low- and high-temperature magnetic structures of CeMn$_2$Ge$_2$ used in the Ce muon-site analysis."},{"cited_title":"Amato, H","cited_arxiv_id":null,"evidence_quote":"Supplies the plane-wave pseudopotential density-functional-theory method used to relax muonated supercells and locate candidate muon positions."},{"cited_title":null,"cited_arxiv_id":null,"evidence_quote":"Supplies the program used to generate and analyse candidate muon stopping sites, underlying the assignment of the realised muon site at (0,0,0.2)."}],"review_version":1}