REVIEW 1 major objections 2 cited by
Detecting Topological Transitions and Anisotropy through Multipartite Entanglement in Holographic Weyl Semimetals
T0 review · 1 major / 0 minor · reviewed 2026-06-28 · grok-4.3
Pith's one-line read Tripartite and four-partite entanglement structures diagnose the topological phase transition in holographic Weyl semimetals.
desk verdict The paper shows multipartite entanglement quantities flag the topological transition and anisotropy in the holographic Weyl semimetal, but the bulk-to-field-theory mapping for those quantities stays conjectural. read the letter →
The pith
A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.
The reading
What carries the argument
Multipartite entanglement quantities (conditional mutual information, EWCS, κ, Markov gap, multi-EWCS, and four-partite signals Δ and g) computed geometrically in the holographic bulk for strip regions.
What would settle it
Direct computation of the same multipartite entanglement quantities in the dual field theory that shows no clear features near the critical point at fixed large l.
Extended reading notes
Core claim
In the zero-temperature holographic Weyl semimetal, tripartite and four-partite entanglement quantities for strip regions develop clear features near the critical point at fixed large l, showing that these structures diagnose the topological quantum phase transition. At large l their dependence on l takes a power-law form governed by the IR scaling of the system. Anisotropic large-l behavior in different directions distinguishes the nontrivial phase from the trivial phase.
Load-bearing premise
The holographic model and its geometric entanglement calculations accurately reproduce the entanglement structure of the dual field theory.
Editorial extensions
If this is right
- Tripartite and four-partite entanglement structures diagnose the topological quantum phase transition.
- Anisotropic large-l behavior distinguishes the nontrivial phase from the trivial phase.
- At large l the quantities follow power-law forms set by the IR scaling.
- Multipartite holographic entanglement serves as a sensitive nonlocal probe of topological transitions and anisotropic IR physics.
Reading between the lines
- The same geometric method could be applied to other holographic models of topological materials to check whether multipartite entanglement remains diagnostic.
- If the duality holds, field-theory calculations or quantum simulations of the dual theory should reproduce the reported features at the critical point.
- Direction-dependent entanglement measures might suggest protocols for detecting anisotropy in real condensed-matter Weyl semimetals.
Editorial analysis
A structured set of objections, weighed in public.
Referee Report
Summary. The manuscript examines multipartite entanglement structures in the zero-temperature holographic Weyl semimetal. For strip regions it computes conditional mutual information, the entanglement wedge cross section, tripartite measures κ and the Markov gap, multi-EWCS, and the four-partite signals Δ and g as functions of strip width l and the tuning parameter across the topological transition. At fixed large l these quantities develop features near the critical point; their large-l anisotropic behavior is reported to distinguish the nontrivial phase from the trivial phase, with the l-dependence governed by the IR scaling of the geometry.
Significance. If the mappings hold, the work demonstrates that tripartite and four-partite holographic entanglement quantities can serve as nonlocal diagnostics for topological phase transitions and IR anisotropy, extending the reach of entanglement probes beyond bipartite measures in a strongly coupled condensed-matter model. The direct use of the numerical bulk geometry to extract power-law IR scaling is a concrete strength.
major comments (1)
- [Sections defining the multipartite quantities and the numerical results] The central claim that the computed geometric quantities diagnose the topological transition and distinguish anisotropic phases rests on the identification of multi-EWCS, the Markov gap, κ, Δ and g with the corresponding field-theory multipartite entanglement measures. These identifications are proposals (EWCS → EoP and extensions to multipartite cases) rather than theorems verified for the present background; the manuscript supplies no cross-check against a solvable limit or independent field-theory computation. This assumption is load-bearing for the diagnostic power asserted at large but finite l.
Simulated Author's Rebuttal
We thank the referee for the careful reading of the manuscript and for highlighting both its potential significance and the need for precision regarding the conjectural status of the entanglement mappings. We respond to the major comment below.
read point-by-point responses
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Referee: [Sections defining the multipartite quantities and the numerical results] The central claim that the computed geometric quantities diagnose the topological transition and distinguish anisotropic phases rests on the identification of multi-EWCS, the Markov gap, κ, Δ and g with the corresponding field-theory multipartite entanglement measures. These identifications are proposals (EWCS → EoP and extensions to multipartite cases) rather than theorems verified for the present background; the manuscript supplies no cross-check against a solvable limit or independent field-theory computation. This assumption is load-bearing for the diagnostic power asserted at large but finite l.
Authors: We agree that the identifications of multi-EWCS, the Markov gap, κ, Δ and g with field-theory multipartite entanglement measures rest on conjectural proposals extending the EWCS-EoP relation, rather than on theorems proven for this background. The manuscript contains no independent cross-checks against solvable limits or direct field-theory computations, which is a limitation of the present holographic setup. Within the holographic framework, however, these geometric quantities are computed directly from the bulk metric and are shown to develop clear features near the critical point at fixed large l and to exhibit anisotropic power-law scaling governed by the IR geometry; these behaviors are independent of the precise field-theory interpretation. In the revised manuscript we will add explicit caveats in the introduction, the sections defining the quantities, and the conclusions, stating the conjectural nature of the mappings and restricting the diagnostic claims to the holographic quantities themselves. revision: yes
Circularity Check
No circularity: direct numerical evaluation of holographic quantities in fixed background
full rationale
The paper numerically evaluates standard holographic prescriptions (RT, EWCS, multi-EWCS, conditional mutual information, Markov gap, κ, Δ, g) on the known Weyl-semimetal metric as functions of strip width l and tuning parameter. The IR power-law scaling is taken directly from the asymptotic geometry rather than fitted; features at the critical point are outputs of that evaluation. No step equates a derived quantity to its own input by construction, renames a fit as a prediction, or relies on a self-citation chain for the central diagnostic claim. External conjectures for the multipartite measures are cited as premises but do not create internal circularity within the reported computations.
Assumptions & free parameters
assumptions (1)
- domain assumption Holographic duality maps bulk geometric quantities to boundary entanglement measures
Cite this review
Pith. "Pith review of Detecting Topological Transitions and Anisotropy through Multipartite Entanglement in Holographic Weyl Semimetals." pith.science (2026). https://pith.science/paper/756Q6BMQ
@misc{pith2026260605757,
author = {Pith},
title = {Pith review of: Detecting Topological Transitions and Anisotropy through Multipartite Entanglement in Holographic Weyl Semimetals},
year = {2026},
howpublished = {\url{https://pith.science/paper/756Q6BMQ}},
note = {Machine review of arXiv:2606.05757}
}
abstract
We study multipartite entanglement structures in the zero-temperature holographic Weyl semimetal, focusing on tripartite and four-partite structures. For strip regions, we compute the conditional mutual information, the entanglement wedge cross section, tripartite measures $\kappa$ and the Markov gap, multi-EWCS, and two multi-EWCS based four-partite signals $\Delta$ and $g$. These quantities are studied as functions of the strip width $l$ and the tuning parameter across the topological transition. At large $l$, their $l$ dependence takes a power-law form governed by the IR scaling of the system. At fixed large $l$, all these entanglement quantities develop clear features near the critical point, showing that tripartite and four-partite entanglement structures can diagnose the topological quantum phase transition. We further study strips pointing in different directions to probe the anisotropy of the system. The anisotropic large l behavior distinguishes the nontrivial phase from the trivial phase. These results establish multipartite holographic entanglement as a sensitive, nonlocal probe of topological phase transitions and anisotropic IR physics.
Forward citations
Cited by 2 Pith papers
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Long-range multipartite entanglement in holographic gapless systems
All holographic multipartite entanglement quantities in gapless planar systems share a single large-distance scaling exponent fixed by the infrared geometry, ranging from decay to volume-law growth.
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The Holographic Multi-Entropy Cone
Holographic multi-entropy vectors form a rational polyhedral cone; its n=3,4 facets yield seven fundamental multi-entropy inequality orbits, with ordinary HEC facets arising as convex combinations of HMEC facets.
Reference graph
Works this paper leans on
-
[1]
Three Lectures On Topological Phases Of Matter
E. Witten, Three lectures on topological phases of matter, La Rivista del Nuovo Cimento 39 (2016) 313–370.arXiv:1510.07698. URLhttps://arxiv.org/abs/1510.07698
work page Pith review arXiv 2016
-
[2]
Topological order: from long-range entangled quantum matter to an unification of light and electrons
X.-G. Wen, Topological order: from long-range entangled quantum matter to an unification of light and electrons, ISRN Cond. Matt. Phys. 2013 (2013) 198710.arXiv:1210.1281, doi:10.1155/2013/198710
-
[3]
K. Landsteiner, Y. Liu, The holographic weyl semi-metal, Physics Letters B 753 (2016) 453–457.doi:10.1016/j.physletb.2015.12.052. URLhttp://dx.doi.org/10.1016/j.physletb.2015.12.052
-
[4]
K. Landsteiner, Y. Liu, Y.-W. Sun, Quantum phase transition between a topological and a trivial semimetal from holography, Physical Review Letters 116 (8) (Feb. 2016). doi:10.1103/physrevlett.116.081602. URLhttp://dx.doi.org/10.1103/PhysRevLett.116.081602
-
[5]
K. Landsteiner, Y. Liu, Y.-W. Sun, Odd viscosity in the quantum critical region of a holographic weyl semimetal, Physical Review Letters 117 (8) (Aug. 2016). doi:10.1103/physrevlett.117.081604. URLhttp://dx.doi.org/10.1103/PhysRevLett.117.081604
-
[6]
K. Landsteiner, Y. Liu, Y.-W. Sun, Holographic topological semimetals, Sci. China Phys. Mech. Astron. 63 (5) (2020) 250001.doi:10.1007/s11433-019-1477-7. URLhttps://link.springer.com/article/10.1007/s11433-019-1477-7
-
[7]
B. Zeng, X. Chen, D.-L. Zhou, X.-G. Wen, Quantum Information Meets Quantum Matter: From Quantum Entanglement to Topological Phases of Many-Body Systems, Springer New York, 2019.doi:10.1007/978-1-4939-9084-9
-
[8]
S. Ryu, T. Takayanagi, Holographic derivation of entanglement entropy from the anti-de sitter space/conformal field theory correspondence, Physical Review Letters 96 (18) (May 2006).doi:10.1103/physrevlett.96.181602. URLhttp://dx.doi.org/10.1103/PhysRevLett.96.181602
Show all 52 references
-
[9]
S. Ryu, T. Takayanagi, Aspects of holographic entanglement entropy, Journal of High Energy Physics 2006 (08) (2006) 045–045.doi:10.1088/1126-6708/2006/08/045. URLhttp://dx.doi.org/10.1088/1126-6708/2006/08/045
2006 doi
-
[10]
Zaanen, Y
J. Zaanen, Y. Liu, Y.-W. Sun, K. Schalm, Holographic duality in condensed matter physics, Cambridge University Press, 2015
2015
-
[11]
Liu, Y.-W
Y. Liu, Y.-W. Sun, Topological invariants for holographic semimetals, Journal of High Energy Physics 2018 (10) (Oct. 2018).doi:10.1007/jhep10(2018)189. URLhttp://dx.doi.org/10.1007/JHEP10(2018)189
2018 doi
-
[12]
X. Chen, X. Ji, Y.-W. Sun, Topological invariant for holographic weyl-z2 semimetal, Journal of High Energy Physics 2025 (8) (Aug. 2025).doi:10.1007/jhep08(2025)048. URLhttp://dx.doi.org/10.1007/JHEP08(2025)048
2025 doi
-
[13]
X. Chen, X. Ji, Y.-W. Sun, Topological invariant for holographic weyl-nodal line coexisting semimetal, Journal of High Energy Physics 2025 (11) (Nov. 2025). doi:10.1007/jhep11(2025)162. URLhttp://dx.doi.org/10.1007/JHEP11(2025)162 – 45 –
2025 doi
-
[14]
X. Chen, X. Ji, Y.-W. Sun, Multipartite entanglement characterizing topological phase transitions in holographic nodal line semimetals (2026).arXiv:2602.01545. URLhttps://arxiv.org/abs/2602.01545
2026
-
[15]
Baggioli, D
M. Baggioli, D. Giataganas, Detecting Topological Quantum Phase Transitions via the c-Function, Phys. Rev. D 103 (2) (2021) 026009.arXiv:2007.07273, doi:10.1103/PhysRevD.103.026009
2021 doi
-
[16]
Baggioli, Y
M. Baggioli, Y. Liu, X.-M. Wu, Entanglement entropy as an order parameter for strongly coupled nodal line semimetals, Journal of High Energy Physics 2023 (5) (May 2023). doi:10.1007/jhep05(2023)221. URLhttp://dx.doi.org/10.1007/JHEP05(2023)221
2023 doi
-
[17]
Hayden, M
P. Hayden, M. Headrick, A. Maloney, Holographic mutual information is monogamous, Physical Review D 87 (4) (Feb. 2013).doi:10.1103/physrevd.87.046003. URLhttp://dx.doi.org/10.1103/PhysRevD.87.046003
2013 doi
-
[18]
Ju, W.-B
X.-X. Ju, W.-B. Pan, Y.-W. Sun, Y.-T. Wang, Y. Zhao, More on the upper bound of holographic n-partite information, JHEP 03 (2025) 184.arXiv:2411.19207, doi:10.1007/JHEP03(2025)184
2025 doi
-
[19]
Ju, T.-Z
X.-X. Ju, T.-Z. Lai, B.-H. Liu, W.-B. Pan, Y.-W. Sun, Entanglement structures from modified ir geometry, Journal of High Energy Physics 2024 (7) (Jul. 2024). doi:10.1007/jhep07(2024)181. URLhttp://dx.doi.org/10.1007/JHEP07(2024)181
2024 doi
-
[20]
Ji, X.-X
X. Ji, X.-X. Ju, Y.-W. Sun, Y.-T. Wang, H.-L. Zhou, Holographic geometry/real-space entanglement correspondence and metric reconstruction, Journal of High Energy Physics 2025 (9) (Sep. 2025).doi:10.1007/jhep09(2025)081. URLhttp://dx.doi.org/10.1007/JHEP09(2025)081
2025 doi
-
[22]
Ju, Y.-W
X.-X. Ju, Y.-W. Sun, Y. Zhao, Upper bound of holographic entanglement entropy combinations, Journal of High Energy Physics 2025 (9) (Sep. 2025). doi:10.1007/jhep09(2025)085. URLhttp://dx.doi.org/10.1007/JHEP09(2025)085
2025 doi
-
[23]
Umemoto, T
K. Umemoto, T. Takayanagi, Entanglement of purification through holographic duality, Nature Physics 14 (6) (2018) 573–577.doi:10.1038/s41567-018-0075-2. URLhttp://dx.doi.org/10.1038/s41567-018-0075-2
2018 doi
- [24]
-
[25]
Ju, W.-B
X.-X. Ju, W.-B. Pan, Y.-W. Sun, Y. Zhao, Entanglement wedge cross section triangle information and holographic entanglement of assistance (2025).arXiv:2512.21679. URLhttps://arxiv.org/abs/2512.21679
2025
-
[26]
Hayden, O
P. Hayden, O. Parrikar, J. Sorce, The markov gap for geometric reflected entropy, Journal of High Energy Physics 2021 (10) (Oct. 2021).doi:10.1007/jhep10(2021)047. URLhttp://dx.doi.org/10.1007/JHEP10(2021)047 – 46 –
2021 doi
-
[27]
Y. Zou, K. Siva, T. Soejima, R. S. K. Mong, M. P. Zaletel, Universal tripartite entanglement in one-dimensional many-body systems, Physical Review Letters 126 (12) (Mar. 2021). doi:10.1103/physrevlett.126.120501. URLhttp://dx.doi.org/10.1103/PhysRevLett.126.120501
2021 doi
-
[28]
Gadde, V
A. Gadde, V. Krishna, T. Sharma, New multipartite entanglement measure and its holographic dual, Physical Review D 106 (12) (Dec. 2022). doi:10.1103/physrevd.106.126001. URLhttp://dx.doi.org/10.1103/PhysRevD.106.126001
2022 doi
-
[29]
Gadde, V
A. Gadde, V. Krishna, T. Sharma, Towards a classification of holographic multi-partite entanglement measures, Journal of High Energy Physics 2023 (8) (Aug. 2023). doi:10.1007/jhep08(2023)202. URLhttp://dx.doi.org/10.1007/JHEP08(2023)202
2023 doi
-
[30]
Harper, T
J. Harper, T. Takayanagi, T. Tsuda, Multi-entropy at low renyi index in 2d cfts, SciPost Physics 16 (5) (May 2024).doi:10.21468/scipostphys.16.5.125. URLhttp://dx.doi.org/10.21468/SciPostPhys.16.5.125
2024 doi
-
[31]
Gadde, J
A. Gadde, J. Harper, V. Krishna, Multi-invariants and bulk replica symmetry (2025). arXiv:2411.00935,doi:10.1007/JHEP06(2025)116. URLhttps://arxiv.org/abs/2411.00935
2025 doi
-
[32]
Iizuka, A
N. Iizuka, A. Miyata, The junction law for multipartite entanglement in confining holographic backgrounds (2026).arXiv:2604.10583. URLhttps://arxiv.org/abs/2604.10583
2026 arXiv
-
[33]
Balasubramanian, W
V. Balasubramanian, W. K. L. Chan, M. J. Kang, C. Murdia, S. F. Ross, Constraints on four-party entanglement in holography (2026).arXiv:2606.00210. URLhttps://arxiv.org/abs/2606.00210
2026 arXiv
-
[34]
J. K. Basak, V. Malvimat, J. Yoon, A new genuine multipartite entanglement measure: from qubits to multiboundary wormholes (2025).arXiv:2411.11961. URLhttps://arxiv.org/abs/2411.11961
2025 arXiv
-
[35]
B. Ahn, J. K. Basak, K.-Y. Kim, G. B. Koo, V. Malvimat, J. Yoon, Probing the hierarchy of genuine multipartite entanglement with generalized latent entropy (2026). arXiv:2510.19922. URLhttps://arxiv.org/abs/2510.19922
2026 arXiv
-
[36]
Iizuka, M
N. Iizuka, M. Nishida, Genuine multi-entropy and holography (2025).arXiv:2502.07995. URLhttps://arxiv.org/abs/2502.07995
2025
-
[37]
Iizuka, S
N. Iizuka, S. Lin, M. Nishida, More on genuine multi-entropy and holography (2025). arXiv:2504.16589. URLhttps://arxiv.org/abs/2504.16589
2025
-
[38]
Balasubramanian, M
V. Balasubramanian, M. J. Kang, C. Cummings, C. Murdia, S. F. Ross, Purely greenberger-horne-zeilinger-like entanglement is forbidden in holography, Physical Review Letters 136 (3) (Jan. 2026).doi:10.1103/g5rw-nvnr. URLhttp://dx.doi.org/10.1103/g5rw-nvnr
2026 doi
-
[39]
Jiang, Y
L. Jiang, Y. Liu, The holographic dual of the ghz state (2025).arXiv:2508.17898. URLhttps://arxiv.org/abs/2508.17898 – 47 –
2025
-
[40]
Jiang, Y
L. Jiang, Y. Liu, Diving into booklet wormholes (2026).arXiv:2603.11459. URLhttps://arxiv.org/abs/2603.11459
2026
-
[41]
N. Bao, I. F. Halpern, Conditional and multipartite entanglements of purification and holography, Physical Review D 99 (4) (Feb. 2019).doi:10.1103/physrevd.99.046010. URLhttp://dx.doi.org/10.1103/PhysRevD.99.046010
2019 doi
-
[42]
N. Bao, N. Cheng, Multipartite reflected entropy, Journal of High Energy Physics 2019 (10) (Oct. 2019).doi:10.1007/jhep10(2019)102. URLhttp://dx.doi.org/10.1007/JHEP10(2019)102
2019 doi
-
[43]
N. Bao, A. Chatwin-Davies, G. N. Remmen, Entanglement of purification and multiboundary wormhole geometries, Journal of High Energy Physics 2019 (2) (Feb. 2019). doi:10.1007/jhep02(2019)110. URLhttp://dx.doi.org/10.1007/JHEP02(2019)110
2019 doi
-
[44]
Ju, W.-B
X.-X. Ju, W.-B. Pan, Y.-W. Sun, Y. Zhao, Holographic multipartite entanglement from the upper bound ofn-partite information (2024).arXiv:2411.07790. URLhttps://arxiv.org/abs/2411.07790
2024
-
[45]
Ju, B.-H
X.-X. Ju, B.-H. Liu, Y.-W. Sun, B.-Y. Xu, Y. Zhao, Holographic multipartite entanglement structures in ir modified geometries (2025).arXiv:2512.20397. URLhttps://arxiv.org/abs/2512.20397
2025
-
[46]
N. Bao, K. Furuya, J. Naskar, Tripartite correlation signal from multipartite entanglement of purification (2026).arXiv:2509.08209. URLhttps://arxiv.org/abs/2509.08209
2026 arXiv
-
[47]
P. Liu, C. Niu, J.-P. Wu, The effect of anisotropy on holographic entanglement entropy and mutual information, Physics Letters B 796 (2019) 155–161. doi:https://doi.org/10.1016/j.physletb.2019.07.035. URLhttps://www.sciencedirect.com/science/article/pii/S0370269319304927
2019 doi
-
[48]
X. Ji, Y. Liu, X.-M. Wu, Chiral vortical conductivity across a topological phase transition from holography, Phys. Rev. D 100 (2019) 126013.doi:10.1103/PhysRevD.100.126013. URLhttps://link.aps.org/doi/10.1103/PhysRevD.100.126013
2019 doi
-
[49]
R. C. Myers, A. Singh, Comments on holographic entanglement entropy and rg flows, Journal of High Energy Physics 2012 (4) (Apr. 2012).doi:10.1007/jhep04(2012)122. URLhttp://dx.doi.org/10.1007/JHEP04(2012)122
2012 doi
-
[50]
H. Liu, M. Mezei, Probing renormalization group flows using entanglement entropy, Journal of High Energy Physics 2014 (1) (Jan. 2014).doi:10.1007/jhep01(2014)098. URLhttp://dx.doi.org/10.1007/JHEP01(2014)098
2014 doi
-
[51]
A. W. Peet, J. Polchinski, Uv-ir relations in ads dynamics, Phys. Rev. D 59 (1999) 065011. doi:10.1103/PhysRevD.59.065011. URLhttps://link.aps.org/doi/10.1103/PhysRevD.59.065011
1999 doi
-
[52]
de Oliveira, R
G. de Oliveira, R. F. Costa, L. C. C´ eleri, R. Rougemont, Mutual information and holographic entanglement entropy for strongly coupledr-charged plasmas, Phys. Rev. D 112 (2025) 066010.doi:10.1103/ylpl-96p1. URLhttps://link.aps.org/doi/10.1103/ylpl-96p1
2025 doi
-
[53]
C.-S. Chu, D. Giataganas,c-Theorem for Anisotropic RG Flows from Holographic – 48 – Entanglement Entropy, Phys. Rev. D 101 (4) (2020) 046007.arXiv:1906.09620, doi:10.1103/PhysRevD.101.046007. – 49 –
2020 doi
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