Publications

2022

  • R. Gonzalez and O. Tchernyshyov, “Gyroscopic tensor of a magnetic soliton,” J. Magn. Magn. Mater. (in press); arXiv:2206.07158. Submitted for publication in a special issue in honor of C.L. Chien’s 80th birthday.
  • M. Ikhlas, S. Dasgupta, F. Theuss, T. Higo, S. Kittaka, B. J. Ramshaw, O. Tchernyshyov, C. W. Hicks, and S. Nakatsuji, “Piezomagnetic switching of the anomalous Hall effect in an antiferromagnet at room temperature,” Nat. Phys. (accepted for publication); arXiv:2206.00793.
  • F. Theuss, S. Ghosh, T. Chen, O. Tchernyshyov, S. Nakatsuji, and B. J. Ramshaw, “Strong magneto-elastic coupling in MnX (X = Ge, Sn),” Phys. Rev. B 105, 174430 (2022) Editors’ Suggestion; arXiv:2203.06650.
  • X. Wu and O. Tchernyshyov, “How a skyrmion can appear both massive and massless,” SciPost Phys. 12, 159 (2022); arXiv:2201.08519.

2021

2020

2019

  • A. Scheie, J. Kindervater, S. Zhang, H. J. Changlani, G. Sala, G. Ehlers, A. Heinemann, G. S. Tucker, S. M. Koohpayeh, and C. Broholm, “Multiphase Magnetism in Yb2Ti2O7“, PNAS 117, 27245 (2020)arXiv:1912.04913. Commentary by S. Petit: On the way to understanding Yb2Ti2O7.
  • S. Zhang, G. C. Go, K.-J. Lee, and S. K. Kim, “SU(3) Topology of magnon-phonon hybridization in 2D antiferromagnets,” Phys. Rev. Lett. 124, 147204. [doi] [arXiv]
  • S. Dasgupta, S. Zhang, I. Bah, and O. Tchernyshyov, “Quantum statistics of vortices from a dual theory of the XY ferromagnet,” Phys. Rev. Lett. 124, 157203. [doi] [arXiv]
  • A. Scheie, S. Dasgupta, M. Sanders, A. Sakai, Y. Matsumoto, T. R. Prisk, S. Nakatsuji, R. J. Cava, and C. Broholm, “Homogenous reduced moment in a gapful scalar chiral kagome antiferromagnet,” Phys. Rev. B 100, 024414. [doi] [arXiv]
  • S. Zhang, H. J. Changlani, K. W. Plumb, O. Tchernyshyov, and R. Moessner, “Dynamical structure factor of the three-dimensional quantum spin liquid candidate NaCaNi2F7,” Phys. Rev. Lett. 122, 167203. [doi] [arXiv]
  • K. W. Plumb, Hitesh J. Changlani, A. Scheie, Shu Zhang, J. W. Kriza, J. A. Rodriguez-Rivera, Yiming Qiu, B. Winn, R. J. Cava, and C. L. Broholm, “Continuum of quantum fluctuations in a three-dimensional S=1 Heisenberg magnet,” Nat. Phys. 15, 54 [doi][arXiv]

2018

  • S. Dasgupta and O. Tchernyshyov, “Energy-momentum tensor of a ferromagnet,” Phys. Rev. B 98, 224401. [doi] [arXiv]
  • H. Zheng, H. J. Changlani, K. T. Williams, B. Busemeyer, and L. K. Wagner, “From real materials to model Hamiltonians with density matrix downfolding,” Front. Phys. 6, 43. [doi] [arXiv]
  • S. Zhang and O. Tchernyshyov, “Ferromagnetic domain wall as a nonreciprocal string,” Phys. Rev. B 98, 104411 (Editors’ Suggestion). [doi] [arXiv]
  • S. K. Kim, O. Tchernyshyov, V. Galitski, and Y. Tserkovnyak, “Magnon-induced non-Markovian friction of a domain wall in a ferromagnet,” Phys. Rev. B 97, 174433. [doi] [arXiv]
  • D. Reitz, A. Ghosh, and O. Tchernyshyov, “Viscous dynamics of vortices in a ferromagnetic film,” Phys. Rev. B 97, 054424. [doi] [arXiv]
  • H.J. Changlani, D. Kochkov, K. Kumar, B.K. Clark, and E. Fradkin, “The mother of all states of the kagome quantum antiferromagnet,” Phys. Rev. Lett. 120, 117202. [doi] [arXiv]

2017

  • H. J. Changlani, “Quantum versus classical effects at zero and finite temperature in the quantum pyrochlore Yb2Ti2O7“. [arXiv]
  • N. J. Laurita, Yi Luo, Rongwei Hu, Meixia Wu, S. W. Cheong, O. Tchernyshyov, and N. P. Armitage, “Anomalous exchange interactions between RE+3 and Mn+3 moments in multiferroic h-REMnO3,” Phys. Rev. Lett. 119, 227601. [doi] [arXiv]
  • A. Scheie, J. Kindervater, S. Säubert, C. Duvinage, C. Pfleiderer, H. J. Changlani, S. Zhang, L. Harriger, S.M. Koohpayeh, O. Tchernyshyov, and C. Broholm, “Reentrant phase diagram of Yb2Ti2O7 in ⟨111⟩ magnetic field,” Phys. Rev. Lett. 119, 127201. [doi] [arXiv]
  • H. Ochoa, S.K. Kim, O. Tchernyshyov, and Y. Tserkovnyak, “Gyrotropic elastic response of skyrmion crystals to current-induced tensions,” Phys. Rev. B 96, 020410(R). [doi] [arXiv]
  • A. Ghosh, K.S. Huang, and O. Tchernyshyov, “Annihilation of domain walls in a ferromagnetic wire,” Phys. Rev. B 95, 180408(R). [doi] [arXiv]
  • H. Wang, H.J. Changlani, Y. Wan, and O. Tchernyshyov, “Quantum spin liquid with seven elementary particles,” Phys. Rev. B 95, 144425. [doi] [arXiv]
  • S. Dasgupta, S.K. Kim, and O. Tchernyshyov, “Gauge fields and related forces in antiferromagnetic soliton physics,” Phys. Rev. B 95, 220407(R). [doi] [arXiv]

2016

  • F. Hellmann et al., “Interface-induced phenomena in magnetism,” Rev. Mod. Phys. 89, 025006. [doi] [arXiv]
  • K. D. Belashchenko, O. Tchernyshyov, Alexey A. Kovalev, and O. A. Tretiakov, “Magnetoelectric domain wall dynamics and its implications for magnetoelectric memory,” Appl. Phys. Lett. 108, 132403. [doi] [arXiv]

2015

  • S.K. Kim, O. Tchernyshyov, and Y. Tserkovnyak, “Thermophoresis of an antiferromagnetic soliton,” Phys. Rev. B 92, 020402(R). [doi] [arXiv]
  • O. Tchernyshyov, “Conserved momenta of a ferromagnetic soliton,” Ann. Phys. 363, 98-113. [doi] [arXiv]
  • P. Mellado, O. Petrova, and O. Tchernyshyov, “Projective symmetry of partons in Kitaev’s honeycomb model,” Phys. Rev. B 91, 041103. [doi] [arXiv]
  • M. Asmat-Uceda, X.M. Cheng, X. Wang, D.J. Clarke, O. Tchernyshyov, and K.S. Buchanan, “Micromagnetic simulations of the dynamics of three interacting magnetic vortices in a triangular arrangement,” J. Appl. Phys. 117, 123916. [doi]

 2014

  • J. A. Hutasoit, J.D. Zang, R. Roiban, and C.X. Liu, “Weyl fermions induced magnon electrodynamics in a Weyl semimetal,” Phys. Rev. B 90, 134409. [doi] [arXiv]
  • O. Petrova, P. Mellado, and O. Tchernyshyov, “Unpaired Majorana modes on dislocations and string defects in Kitaev’s honeycomb model,” Phys. Rev. B 90, 134404. [doi] [arXiv]
  • L.D. Pan, S.K. Kim, A. Ghosh, C.M. Morris, K.A. Ross, E. Kermarrec, B.D. Gaulin, S.M. Koohpayeh, O. Tchernyshyov, and N. P. Armitage, “Low-energy electrodynamics of novel spin excitations in the quantum spin ice Yb2Ti2O7,” Nat. Comm. 5, 4970. [doi] [arXiv
  • I. Rousochatzakis, Y. Wan, F. Mila, and O. Tchernyshyov, “Quantum dimer model for the spin-1/2 kagome Z2 spin liquid,” Phys. Rev. B 90, 100406(R). [doi] [arXiv]
  • S.K. Kim, Y. Tserkovnyak, and O. Tchernyshyov, “Propulsion of a domain wall in an antiferromagnet by magnons,” Phys. Rev. B 90, 104406 (Editors’ Suggestion). [doi] [arXiv] [erratum]
  • J. S. White, K. Prša, P. Huang, A. A. Omrani, I. Živković, M. Bartkowiak, H. Berger, A. Magrez, J. L. Gavilano, G. Nagy, J. Zang, and H. M. Rønnow, “Electric-field-induced skyrmion distortion and giant lattice rotation in the magnetoelectric insulator Cu2OSeO3“, Phys. Rev. Lett. 113, 107203 (Editors’ Suggestion). [doi]
  • C. M. Morris, R. Valdés Aguilar, A. Ghosh, S. M. Koohpayeh, J. Krizan, R. J. Cava, O. Tchernyshyov, T. M. McQueen, and N. P. Armitage, “A hierarchy of bound states in the 1D ferromagnetic Ising chain CoNb2O6 investigated by high resolution time-domain terahertz spectroscopy,” Phys. Rev. Lett. 112, 137403. [doi] [arXiv]
  • M. Mochizuki, X. Z. Yu, S. Seki, N. Kanazawa, W. Koshibae, J. Zang, M. Mostovoy, Y. Tokura, and N. Nagaosa, “Thermally driven ratchet motion of a skyrmion microcrystal and topological magnon Hall effect,” Nat. Mater. 13, 241 [doi
  • I. Makhfudz, “Fluctuation-induced first order quantum phase transition of U(1) quantum spin liquid in pyrochlore quantum antiferromagnet,” Phys. Rev. B 89, 024401. [doi] [arXiv]

2013

  • S. K. Kim and O. Tchernyshyov, “Pinning of a Bloch point by an atomic lattice,” Phys. Rev. B 88, 174402. [doi] [arXiv]
  • O. Petrova, P. Mellado, and O. Tchernyshyov, “Unpaired Majorana modes in the gapped phase of Kitaev’s honeycomb model,” Phys. Rev. B 88, 140405(R). [doi] [arXiv]
  • L.Y. Kong and J.D. Zang, “Dynamics of an insulating skyrmion under a temperature gradient,” Phys. Rev. Lett. 111, 067203. [doi] [arXiv]
  • Z.H. Hao and O. Tchernyshyov, “Spin-1/2 Heisenberg antiferromanget on kagome: a Z2 spin liquid with fermionic spinons,” Phys. Rev. B, 87, 214404. [doi] [arXiv].
  • Y. Wan and O. Tchernyshyov, “Phenomenological Z2 lattice gauge theory of the spin-liquid state of the kagome Heisenberg antiferromagnet,” Phys. Rev. B 87, 104408. [doi] [arXiv]

2012

  • I. Makhfudz, B. Krüger, and O. Tchernyshyov, “Inertia and chiral edge modes of a skyrmion magnetic bubble,” Phys. Rev. Lett. 109, 217201. [doi] [arXiv] [phys.org]
  • G.-W. Chern and O. Tchernyshyov, “Magnetic charge and ordering in kagome spin ice,” Phil. Trans. Roy. Soc. A 370, 5718. [doi] [arXiv]
  • Z. Wang, M. Schmidt, A. Günther, F. Mayr, Y. Wan, S.-H. Lee, H. Ueda, Y. Ueda, A. Loidl, and J. Deisenhofer, “Infrared phonons and specific heat in the gapped quantum magnet Ba3Cr2O8,” Phys. Rev. B 85, 224304. [doi] [arXiv]
  • Y. Wan and O. Tchernyshyov, “Quantum strings in quantum spin ice,” Phys. Rev. Lett. 108, 247210. [doi] [arXiv]
  • Z. H. Hao, “Detecting non-magnetic excitations in quantum magnets,” Phys. Rev. B 85, 174432. [doi] [arXiv]
  • Y. Shen, O. Petrova, P. Mellado, S. Daunheimer, J. Cumings, and O. Tchernyshyov, “Dynamics of artificial spin ice: continuous honeycomb network,” New J. Phys. 14, 035022. [doi] [arXiv]

2011

  • O. Petrova and O. Tchernyshyov, “Spin waves in a skyrmion crystal,” Phys. Rev. B 84, 214433. [doi] [arXiv]
  • S. A. Daunheimer, O. Petrova, O. Tchernyshyov, and J. Cumings, “Reducing disorder in artificial kagome ice,” Phys. Rev. Lett. 107, 167201. [doi] [arXiv]
  • Z. H. Hao, Y. Wan, I. Rousochatzakis, J. Wildeboer, A. Seidel, F. Mila, and O. Tchernyshyov, “Destruction of valence-bond order in a S=1/2 sawtooth chain with a Dzyaloshinskii-Moriya term,” Phys. Rev. B 84, 094452. [doi] [arXiv]
  • G.-W. Chern, P. Mellado, and O. Tchernyshyov, “Two-stage ordering of spins in dipolar spin ice on kagome,” Phys. Rev. Lett. 106, 207202. [doi] [arXiv]
  • P. Mellado, S. Cheng, and A. Concha, “Mechanical response of a self avoiding membrane: fold collisions and the birth of conical singularities,” Phys. Rev. E 83, 036607. [doi] [arXiv] [PRE kaleidoscope]
  • S. E. Dutton, Q. Huang, O. Tchernyshyov, C. L. Broholm, and R. J. Cava, “The sensitivity of the magnetic properties of the ZnCr2O4 and MgCr2O4 spinels to non-stoichiometry,” Phys. Rev. B 83, 064407. [doi] [arXiv]
  • O. Tchernyshyov and G.-W. Chern, “Spin-lattice coupling in frustrated antiferromagnets,” in Introduction to Frustrated Magnetism, C. Lacroix, P. Mendels, and F. Mila (eds.), Springer Series in Solid State Sciences, Vol. 164 (Springer, 2011). [doi] [arXiv]

2010

  • P. Mellado, O. Petrova, Y. Shen, and O. Tchernyshyov, “Dynamics of magnetic charges in artificial spin ice,” Phys. Rev. Lett. 105, 187206. [doi] [arXiv]
  • Z.H. Hao and O. Tchernyshyov, “Structure factor of low-energy spin excitations in a S=1/2 kagome antiferromagnet,” Phys. Rev. B 81, 214445. [doi] [arXiv]
  • G.-W. Chern, N. Perkins, and Z.H. Hao, “Quantum 120° model on pyrochlore lattice: Orbital ordering in MnV2O4,” Phys. Rev. B 81, 125127 [doi] [arXiv]
  • O. Tchernyshyov, “Magnetic monopoles: No longer on thin ice,” Nat. Phys. 6, 323 (2010). [doi]

2009

  • Z.H. Hao and O. Tchernyshyov, “Fermionic spin excitations in two and three-dimensional antiferromagnets,” Phys. Rev. Lett. 103, 187203. [doi] [arXiv]
  • Z.H. Hao and A. V. Chubukov, “Resonance peak in neutron scattering experiments on the cuprates revisited: The case of exciton versus π-resonance and magnetic plasmon,” Phys. Rev. B 79, 224513. [doi] [arXiv]

2008

  • T. Giamarchi, Ch. Rüegg, and O. Tchernyshyov, “Bose-Einstein condensation in magnetic insulators,” Nat. Phys. 4, 198 (2008). [doi] [arXiv]
  • G.-W. Chern, R. Moessner, and O. Tchernyshyov, “Partial order from disorder in a classical pyrochlore antiferromagnet,” Phys. Rev. B 78, 144418. [doi] [arXiv] [PRB kaleidoscope]
  • D. J. Clarke, O. A. Tretiakov, G.-W. Chern, Ya. B. Bazaliy, O. Tchernyshyov, “Dynamics of a vortex domain wall in a magnetic nanostrip: an application of the collective coordinate approach,” Phys. Rev. B 78, 134412. [doi] [arXiv]
  • O. A. Tretiakov, D. Clarke, G.-W. Chern, Ya. B. Bazaliy, and O. Tchernyshyov, “Dynamics of domain walls in magnetic nanostrips,” Phys. Rev. Lett. 100, 127204. [doi] [arXiv]
  • G.-W. Chern, D. Clarke, H. Youk, and O. Tchernyshyov, “Halfvortices in flat nanomagnets,” in Quantum Magnetism, NATO Science for Peace and Security Series B: Physics and Biophysics (Springer, 2008). [doi] [arXiv].
  • O. Tchernyshyov, “Magnetism: Freedom for the poles,” Nature 451, 22 (2008). [doi]

2007

  • K. Penc, J.-B. Fouet, S. Miyahara, O. Tchernyshyov, and F. Mila, “Ising phases of Heisenberg ladders in a magnetic field,” Phys. Rev. Lett. 99, 117201. [doi] [arXiv]
  • D. Clarke, O. A. Tretiakov, and O. Tchernyshyov, “Stripes in thin ferromagnetic films with out-of-plane anisotropy,” Phys. Rev. B 75, 174433. [doi] [arXiv] [PRB kaleidoscope]
  • A. Concha, J. W. McIver III, P. Mellado, D. Clarke, O. Tchernyshyov, and R. L. Leheny, “Wrinkling of a bilayer membrane,” Phys. Rev. E 75, 016609. [doi] [arXiv]
  • M. B. Stone, C. Broholm, D. H. Reich, P. Schiffer, O. Tchernyshyov, P. Vorderwisch, and N. Harrison, “Field-driven phase transitions in a quasi-two-dimensional quantum antiferromagnet,” New J. Phys 9, 31. [doi] [arXiv]
  • O. A. Tretiakov and O. Tchernyshyov, “Vortices in thin ferromagnetic films and the skyrmion number,” Phys. Rev. B 75, 012408. [doi] [arXiv]
  • Y. L. Iunin, Y. P. Kabanov, V. I. Nikitenko, X. M. Cheng, D. Clarke, O. A. Tretiakov, O. Tchernyshyov, A. J. Shapiro, R. D. Shull, and C. L. Chien, “Asymmetric domain nucleation and unusual magnetization reversal in ultrathin Co films with perpendicular anisotropy,” Phys. Rev. Lett. 98, 117204. [doi]

2006

  • G.-W. Chern, C. J. Fennie, and O. Tchernyshyov, “Broken parity and a chiral ground state in the frustrated magnet CdCr2O4,” Phys. Rev. B 74, 060405. [doi] [arXiv]
  • J.-B. Fouet, F. Mila, D. Clarke, H. Youk, O. Tchernyshyov, P. Fendley, and R. M. Noack, “Condensation of magnons and spinons in a frustrated ladder,” Phys. Rev. B 73, 214405 [doi] [arXiv]
  • M. B. Stone, C. Broholm, D. H. Reich, O. Tchernyshyov, P. Vorderwisch, and N. Harrison, “Quantum criticality in an organic magnet,” Phys. Rev. Lett. 96, 257203. [doi] [arXiv]
  • H. Youk, G.-W. Chern, K. Merit, B. Oppenheimer, and O. Tchernyshyov, “Composite domain walls in flat nanomagnets: the magnetostatic limit,” J. Appl. Phys. 99, 08B101. [doi] [arXiv]
  • G.-W. Chern, H. Youk, and O. Tchernyshyov, “Topological defects in flat nanomagnets: the magnetostatic limit,” J. Appl. Phys. 99, 08Q505. [doi] [arXiv]
  • F. Q. Zhu, G. W. Chern, O. Tchernyshyov, X. C. Zhu, J. G. Zhu, and C. L. Chien, “Magnetic bistability and controllable reversal of asymmetric ferromagnetic nanorings,” Phys. Rev. Lett. 96, 027205. [doi] [arXiv]
  • O. Tchernyshyov, R. Moessner, and S. L. Sondhi, “Flux expulsion and greedy bosons: frustrated magnets at large N,” EPL 73, 278. [doi] [arXiv]

2005

  • O. Tchernyshyov and G.-W. Chern, “Fractional vortices and composite domain walls in flat nanomagnets,” Phys. Rev. Lett. 95, 197204. [doi] [arXiv]
  • X. M. Cheng, S. Urazhdin, O. Tchernyshyov, C. L. Chien, V. I. Nikitenko, A. J. Shapiro, and R. D. Shull, “Antisymmetric magnetoresistance in magnetic multilayers with perpendicular anisotropy,” Phys. Rev. Lett. 94, 017203. [doi] [arXiv]
  • A. B. Sushkov, O. Tchernyshyov, H. D. Drew, W. Ratcliff, II, and S. W. Cheong, “Probing spin correlations with phonons in the strongly frustrated magnet ZnCr2O4,” Phys. Rev. Lett. 94, 137202. [doi] [arXiv]

2004

  • J.-B. Fouet, O. Tchernyshyov, and F. Mila, “Field-induced gap in ordered Heisenberg  antiferromagnets,” Phys. Rev. B 70, 174427. [doi] [arXiv]
  • O. Tchernyshyov, “Structural, orbital, and magnetic order in vanadium spinels,” Phys. Rev. Lett. 93, 157206. [doi] [arXiv]
  • O. Tchernyshyov, H. Yao, and R. Moessner, “Valence-bond crystal in a {111} slice of the pyrochlore antiferromagnet,” Phys. Rev. B 69, 212402. [doi] [arXiv]
  • O. Tchernyshyov, “Quantum spin liquids: a large-S approach,” J. Phys. Condens. Matter 16, S709. [doi] [arXiv]

2003

  • O. Tchernyshyov, O. A. Starykh, R. Moessner, and A. G. Abanov, “Bond order from disorder in the planar pyrochlore magnet,” Phys. Rev. B 68, 144422. [doi][arXiv]