PUC-Rio CMT - Publications

2025

"Topological marker in three dimensions based on kernel polynomial method", R. Roy and W. Chen, arXiv:2512.03022.
"Generating functions for quantum metric, Berry curvature, and quantum Fisher information matrix", W. Chen, arXiv:2511.05260.
"Quantum geometry of common semiconductors", D. Porlles and W. Chen, arXiv:2510.15853.
"Probing disorder-induced Fisher information matrix and Cramer-Rao bound by STM", L. A. Oliveira and W. Chen, arXiv:2505.22965.
"Quantum geometric origin of Meissner effect and superfluid weight marker", D. Porlles and W. Chen, Phys. Rev. B 112, 054511 (2025).
"Absorbance marker: Detection of quantum geometry and spread of Wannier function in disordered 2D semiconductors", L. F. Cárdenas-Castillo, S. Zhang, F. L. Freire Jr., W. Chen, Phys. Rev. B 112, 085402 (2025).
"Real space quantum metric of solids", L. A. Oliveira and W. Chen, Phys. Rev. B 111, 094202 (2025).
"Dielectric and optical markers originating from quantum geometry", W. Chen, Phys. Rev. B 111, 085202 (2025).
"Quantum geometrical properties of topological materials", W. Chen, J. Phys.: Condens. Matter 37, 025605 (2025).

2024

"Detecting the spread of valence band Wannier functions by optical sum rules", L. F. Cárdenas-Castillo, S. Zhang, D. Kochan, F. L. Freire Jr., W. Chen, Phys. Rev. B 110, 075203 (2024).
"Berry curvature and quantum metric in copper-substituted lead phosphate apatite", W. Chen, J. Phys.: Condens. Matter 36 235601 (2024).
"Robustness of topological order against disorder", L. A. Oliveira and W. Chen, Phys. Rev. B 109, 094202 (2024).

2023

"Topological marker approach to an interacting Su-Schrieffer-Heeger model", P. B. Melo, S. A. S. Júnior, W. Chen, R. Mondaini, and T. Paiva, Phys. Rev. B 108, 195151 (2023).
"Opacity of graphene independent of light frequency and polarization due to the topological charge of the Dirac points", M. S. M. de Sousa and W. Chen, Phys. Rev. B 108, 165201 (2023).
"Quantum geometry of singlet superconductors", D. Porlles and W. Chen, Phys. Rev. B 108, 094508 (2023).
"Probing Chern number by opacity and topological phase transition by a nonlocal Chern marker", P. Molignini, B. Lapierre, R. Chitra, and W. Chen, SciPost Phys. Core 6, 059 (2023).
"Mapping quantum geometry and quantum phase transitions to real space by a fidelity marker", M. S. M. de Sousa, A. L. Cruz, and W. Chen, Phys. Rev. B 107, 205133 (2023).
"Optical absorption measurement of spin Berry curvature and spin Chern marker", W. Chen, J. Phys.: Condens. Matter 35 155601 (2023).
"Universal topological marker", W. Chen, Phys. Rev. B 107, 045111 (2023).
"Proximity-induced zero-energy states indistinguishable from topological edge states", I. J. Califrer, P. H. Penteado, J. C. Egues, and W. Chen, Phys. Rev. B 107, 045401 (2023).

2022

"Measurement of interaction-dressed Berry curvature and quantum metric in solids by optical absorption", W. Chen and G. von Gersdorff, SciPost Phys. Core 5, 040 (2022).
"Symmetry-enforced nodal lines in the band structures of vacancy-engineered graphene ", M. S. M. de Sousa, F. Liu, M. Malard, F. Qu, and W. Chen, Phys. Rev. B 105, 155414 (2022).
"Vacancy-Engineered Flat-Band Superconductivity in Holey Graphene", M. S. M. de Sousa, F. Liu, F. Qu, and W. Chen, Phys. Rev. B 105, 014511 (2022).

2021

"Measurement of Topological Order based on Metric-Curvature Correspondence", G. von Gersdorff and W. Chen, Phys. Rev. B 104, 195133 (2021).
"Magnetoelectric torque and edge currents caused by spin-orbit coupling", W. Chen and M. Sigrist, Phys. Rev. B 104, 155309 (2021).
"A supervised learning algorithm for interacting topological insulators based on local curvature", P. Molignini, A. Zegarra, E. van Nieuwenburg, R. Chitra, and W. Chen, SciPost Phys. 11, 073 (2021).
"Magnetoelectric torque and edge currents in spin-orbit coupled graphene nanoribbons", M. S. M. de Sousa, M. Sigrist, and W. Chen, Phys. Rev. Research 3, 033021 (2021).
"Unification of topological invariants in Dirac models", G. von Gersdorff, S. Panahiyan, and W. Chen, Phys. Rev. B 103, 245146 (2021).
"Crossdimensional universality classes in static and periodically driven Kitaev models", P. Molignini, A. G. Celades, R. Chitra, and W. Chen, Phys. Rev. B 103, 184507 (2021).

2020

"Scaling behavior in a multicritical one-dimensional topological insulator", M. Malard, H. Johannesson, and W. Chen, Phys. Rev. B 102, 205420 (2020).
"Spin torque and persistent currents caused by percolation of topological surface states", W. Chen, Phys. Rev. B 102, 144442 (2020).
"Fidelity susceptibility near topological phase transitions in quantum walks", S. Panahiyan, W. Chen, and S. Fritzsche, Phys. Rev. B 102, 134111 (2020).
"Persistent currents and spin torque caused by percolated quantum spin Hall state", A. Zegarra, J. C. Egues, and W. Chen, Phys. Rev. B 101, 224438 (2020).
"Absence of equilibrium edge currents in theoretical models of topological insulators", W. Chen, Phys. Rev. B 101, 195120 (2020).
"Generating quantum multi-criticality in topological insulators by periodic driving", P. Molignini, W. Chen, and R. Chitra, Phys. Rev. B 101, 165106 (2020).
"Unifying the topological phase transitions in noninteracting, interacting, and periodically driven systems", P. Molignini, R. Chitra, and W. Chen, EPL 128, 36001 (2020).

2019

"Edelstein and inverse Edelstein effects caused by the pristine surface states of topological insulators", W. Chen, J. Phys. Condens. Matter 32, 035809 (2019).
"Corroborating the bulk-edge correspondence in weakly interacting one-dimensional topological insulators", A. Zegarra, D. R. Candido, J. C. Egues, and W. Chen, Phys. Rev. B 100, 075114 (2019).
"Universality classes of topological phase transitions with higher-order band crossing", W. Chen and A. P. Schnyder, New J. Phys. 21, 073003 (2019).

2018

"Universal quantum criticality in static and Floquet-Majorana chains", P. Molignini, W. Chen, and R. Chitra, Phys. Rev. B 98, 125129 (2018).
"Theory of in-plane current induced spin torque in metal/ferromagnet bilayers", K. Sakanashi, M. Sigrist, and W. Chen, J. Phys.: Condens. Matter 30, 205803 (2018).
"Weakly interacting topological insulators: Quantum criticality and the renormalization group approach", W. Chen, Phys. Rev. B 97, 115130 (2018).
"Renormalization group approach to symmetry protected topological phases", E. P. L. van Nieuwenburg, A. P. Schnyder, and W. Chen, Phys. Rev. B 97, 155151 (2018).

2017

"Correlation Length, Universality Classes, and Scaling Laws Associated with Topological Phase Transitions", W. Chen, M. Legner, A. Ruegg, and M. Sigrist, Phys. Rev. B 95, 075116 (2017).
"Effect of Quantum Tunneling on Spin Hall Magnetoresistance", S. Ok, W. Chen, M. Sigrist, and D. Manske, J. Phys.: Condens. Matter 29, 075802 (2017).

2016

"Scaling Theory of Z2 Topological Invariants", W. Chen, M. Sigrist, and A. P. Schnyder, J. Phys.: Condens. Matter 28, 365501 (2016).
" Spin Hall Effect Induced Spin Transfer Through an Insulator", W. Chen, M. Sigrist, and D. Manske, Phys. Rev. B 94, 104412 (2016).
"Scaling Theory of Topological Phase Transitions", W. Chen, J. Phys.: Condens. Matter 28, 055601 (2016).

2015

"Minimal Model of Spin-Transfer Torque and Spin Pumping caused by Spin Hall Effect", W. Chen, M. Sigrist, J. Sinova, and D. Manske, Phys. Rev. Lett. 115, 217203 (2015).
"Majorana Edge States in Superconductor-Noncollinear Magnet Interfaces", W. Chen and A. P. Schnyder, Phys. Rev. B 92, 214502 (2015).
"Dissipationless Multiferroic Magnonics", W. Chen and M. Sigrist, Phys. Rev. Lett. 114, 157203 (2015).

2014

"Josephson Effect and Triplet-Singlet Ratio of Non-centrosymmetric Superconductors", L. Klam, A. Epp, W. Chen, M. Sigrist, and D. Manske, Phys. Rev. B 89, 174505 (2014).
"Inductance Due to Spin Current", W. Chen, J. Appl. Phys. 115, 113901 (2014).
"Dissipationless Spin Current between Two Coupled Ferromagnets", W. Chen, P. Horsch, and D. Manske, Phys. Rev. B 89, 064427 (2014).
"Spin superfluidity in coplanar multiferroics", W. Chen and M. Sigrist, Phys. Rev. B 89, 024511 (2014).

2013

"Implications of resonant inelastic X-ray scattering data for theoretical models of cuprates", W. Chen and O. P. Sushkov, Phys. Rev. B 88, 184501 (2013).
"Charge and spin supercurrents in triplet superconductor--ferromagnet--singlet superconductor Josephson junctions", P. M. R. Brydon, W. Chen, Y. Asano, and D. Manske, Phys. Rev. B 88, 054509 (2013).
"Flux Quantization Due to Monopole and Dipole Currents', W. Chen, P. Horsch, and D. Manske, Phys. Rev. B 87, 214502 (2013).
"Fermi Surface Reconstruction by Dynamic Magnetic Fluctuations and Spin-Charge Separation Near an O(3) Quantum Critical Point", M. Holt, J. Oitmaa, W. Chen, and O. P. Sushkov, Phys. Rev. B 87, 075109 (2013).

2012

"Fermi Surface Reconstruction by Dynamic Magnetic Fluctuations", M. Holt, J. Oitmaa, W. Chen, and O. P. Sushkov, Phys. Rev. Lett. 109, 037001 (2012).
"Doping dependence of gap inhomogeneities at Bi2Sr2CaCu2O8+delta surfaces", W. Chen, M. Gabay, and P. J. Hirschfeld, New J. Phys. 14, 033004 (2012).

2011

"Angle-resolved photoemission spectral function in lightly doped and antiferromagnetically ordered YBa2Cu3O6+y", W. Chen, O. P. Sushkov, and T. Tohyama, Phys. Rev. B 84, 195125 (2011).
"Bulk and Surface Nanoscale Hole Density Inhomogeneity in HgBa2CuO4+delta and Bi2Sr2CaCu2O8+delta Cuprates", W. Chen, O. P. Sushkov, and G. Khaliullin, Phys. Rev. B 83, 064514 (2011).

2010

"Magnetic quantum oscillations and multiple holon pockets in underdoped YBa2Cu3O6+y", W. Chen, O. P. Sushkov, and T. Tohyama, Phys. Rev. B 82, 060511 (2010).

2009

"Coulomb Disorder Effects on ARPES and NQR Spectra in Cuprates ", W. Chen, G. Khaliullin, O. P. Sushkov, Phys. Rev. B 80, 094519 (2009).
"Theory of Resistivity Upturns in Metallic Cuprates ", W. Chen, B. M. Andersen, P. J. Hirschfeld, Phys. Rev. B 80, 134518 (2009).
"Magnetic correlations on the full chains of Ortho-II YBa2Cu3O6.5 ", W. Chen and P. J. Hirschfeld, Phys. Rev. B 79, 064522 (2009).

2008

"Field-induced local moments around nonmagnetic impurities in metallic cuprates", M. Gabay, E. Semel, P. J. Hirschfeld, W. Chen, Phys. Rev. B 77, 165110 (2008).

2006

"Fourier transform spectroscopy of d -wave quasiparticles in the presence of atomic scale pairing disorder", T. S. Nunner, W. Chen, B. M. Andersen, A. Melikyan, and P. J. Hirschfeld, Phys. Rev. B 73, 104511 (2006).

2005

"Renormalization Group Potential in Quasi-One-Dimensional Correlated Systems", M.-S. Chang, W. Chen, H.-H. Lin, Progress of Theoretical Physics Supplement 160, 79 (2005).

2004

"Potential flow of renormalization group in quasi-one-dimensional systems", W. Chen, M.-S. Chang, H.-H. Lin, D. Chang, and C.-Y. Mou, Phys. Rev. B 70, 205413 (2004).

2003

"Semiclassical quantization rule for the bound-state spectrum in quantum dots: Scattering phase approximation", W. Chen, T.-M. Hong, and H.-H. Lin, Phys. Rev. B 68, 205104 (2003).
"Scattering phase approach for energy spectrum in quantum dots", W. Chen, T.-M. Hong, and H.-H. Lin, Physica E 18, 85 (2003).