Publications


2024


Melting of the Charge Density Wave by Generation of Pairs of Topological Defects in UTe2
Anuva Aishwarya, Julian May-Mann, Avior Almoalem, Sheng Ran, Shanta R. Saha, Johnpierre Paglione, Nicholas P. Butch, Eduardo Fradkin, Vidya Madhavan
Nat. Phys. (2024)


2023


Superconducting Penetration Depth through a Van Hove Singularity: Sr2RuO4 under Uniaxial Stress
Eli Mueller, Yusuke Iguchi, Fabian Jerzembeck, Jorge O. Rodriguez, Marisa Romanelli, Edgar Abarca-Morales, Anastasios Markou, Naoki Kikugawa, Dmitry A. Sokolov, Gwansuk Oh, Clifford W. Hicks, Andrew P. Mackenzie, Yoshiteru Maeno, Vidya Madhavan, Kathryn A. Moler
arXiv:2312.05130

Atomic-Scale Visualization of a Cascade of Magnetic Orders in the Layered Antiferromagnet GdTe3
Arjun Raghavan (+), Marisa Romanelli (+), Julian May-Mann, Anuva Aishwarya, Leena Aggarwal, Anisha G. Singh, Maja D. Bachmann, Leslie M. Schoop, Eduardo Fradkin, Ian R. Fisher, Vidya Madhavan
arXiv:2308.15691

Optical Manipulation of the Charge Density Wave State in RbV3Sb5
Yuqing Xing (+), Seokjin Bae (+), Ethan Ritz, Fan Yang, Turan Birol, Andrea N. Capa Salinas, Brenden R. Ortiz, Stephen D. Wilson, Ziqiang Wang, Rafael Fernandes, Vidya Madhavan
arXiv:2308.04128

Magnetic-Field Sensitive Charge Density Wave Orders in the Superconducting Phase of UTe2
Anuva Aishwarya, Julian May-Mann, Arjun Raghavan, Liamei Nie, Marisa Romanelli, Sheng Ran, Shanta R. Saha, Johnpierre Paglione, Nicholas P. Butch, Eduardo Fradkin, Vidya Madhavan
Nature 618, 918-923 (2023)

Visualizing the Melting of the Charge Density Wave in UTe2 by Generation of Pairs of Topological Defects with Opposite Winding
Anuva Aishwarya, Julian May-Mann, Sheng Ran, Shanta R. Saha, Johnpierre Paglione, Nicholas P. Butch, Eduardo Fradkin, Vidya Madhavan
arXiv:2306.09423

Anomalous Hall Conductivity and Nernst Effect of the Ideal Weyl Semimetallic Ferromagnetic EuCd2As2
Subhajit Roychowdhury (+)(++), Mengyu Yao (+), Kartik Samanta (+), Seokjin Bae, Dong Chen, Sailong Ju, Arjun Raghavan, Nitesh Kumar, Procopios Constantinou, Satya N. Guin, Nicholas Clark Plumb, Marisa Romanelli, Horst Borrmann, Maia G. Vergniory, Vladimir N. Strocov, Vidya Madhavan, Chandra Shekhar, Claudia Felser (++)
Adv. Sci. 10, 2207121 (2023)

New Heavy Fermion Superconductors
Jeffrey W. Lynn (++), Vidya Madhavan, Lin Jiao
Front. Electron. Mater. 2, 1120381 (2023)


2022


Evidence for a Robust Sign-Changing S-Wave Order Parameter in Monolayer Films of Superconducting Fe(Se,Te)/Bi2Te3
Guannan Chen (+), Anuva Aishwarya (+), Mark R. Hirsbrunner, Jorge Olivares Rodriguez, Lin Jiao, Lianyang Dong, Nadya Mason, Dale Van Harlingen, John Harter, Stephen D. Wilson, Taylor L. Hughes, Vidya Madhavan
npj Quantum Mater. 7, 110 (2022)

Spin-Selective Tunneling from Nanowires of the Candidate Topological Kondo Insulator SmB6
Anuva Aishwarya, Zhuozhen Cai, Arjun Raghavan, Marisa Romanelli, Xiaoyu Wang, Xu Li, G.D. Gu, Mark Hirsbrunner, Taylor Hughes, Fei Liu (++), Lin Jiao (++), Vidya Madhavan (++)
Science 377, 1218-1222 (2022)

Shot-Noise and Differential Conductance as Signatures of Putative Topological Superconductivity in FeSe0.45Te0.55
Ka Ho Wong, Eric Mascot, Vidya Madhavan, Dale J. Van Harlingen, Dirk K. Morr
Phys. Rev. B Letters 105, L2205504 (2022)

Majorana Fermion Arcs and the Local Density of States in UTe2
Yue Yu, Vidya Madhavan, S. Raghu
Phys. Rev. B 105, 174520 (2022)

Long-Lifetime Spin Excitations near Domain Walls in 1T-TaS2
Anuva Aishwarya, Arjun Raghavan, Sean Howard, Zhuozhen Cai, Gohil S. Thakur, Choongjae Won, Sang-Wook Cheong, Claudia Felser, Vidya Madhavan
Proc. Natl. Acad. Sci. USA 119, 22 (2022)

Observation of a Tunable Isolated Dirac Point in Ge(BixSb1-x)2Te4
Sean Howard, Arjun Raghavan, Davide Iaia, Caizhi Xu, David Flötotto, Man-Hong Wong, Sung-Kwan Mo, Bahadur Singh, Raman Sankar, Hsin Lin, Tai-Chang Chiang, Vidya Madhavan
Phys. Rev. Mater. 6, 044201 (2022)

Nanoscale Studies of Electric Field Effects on Monolayer 1T’-WTe2
Yulia Maximenko, Yueqing Chang, Guannan Chen, Mark R. Hirsbrunner, Waclaw Sweich, Taylor L. Hughes, Lucas K. Wagner, Vidya Madhavan
npj Quantum Mater. 7, 29 (2022)

Observation of a van Hove Singularity of a Surface Fermi Arc with Prominent Coupling to Phonons in a Weyl Semimetal
Z. Wang (+), Cheng-Yi Huang (+), Chia-Hsiu Hsu (+), Hiromasa Namiki, Tay-Rong Chang, Feng-Chuan Chuang, H. Lin, Takao Sasagawa, Vidya Madhavan (++), Yoshinori Okada (++)
Phys. Rev. B 105, 075100 (2022)


2021


Visualizing Superconductivity in a Doped Weyl Semimetal with Broken Inversion Symmetry
Zhenyu Wang, Jorge Olivares Rodriguez, Hiromasa Namiki, Vivek Pareek, Keshav Dani, Takao Sasagawa, Vidya Madhavan (++), Yoshinori Okada (++)
Phys. Rev. B 104, 115102 (2021)

Evidence for Higher Order Topology in Bi and Bi0.92Sb0.08
Leena Aggarwal, Penghao Zhu, Taylor Hughes, Vidya Madhavan
Nat. Commun. 12, 4420 (2021)

Evidence for One-Dimensional Chiral Edge States in a Magnetic Weyl Semimetal Co3Sn2S2
Sean Howard, Lin Jiao, Zhenyu Wang, Noam Morali, Rajib Batabyal, Pranab Kumar-Nag, Nurit Avraham, Haim Beidenkopf, Praveen Vir, Enke Liu, Chandra Shekhar, Claudia Felser, Taylor Hughes, Vidya Madhavan
Nat. Commun. 12, 4269 (2021)

Metal-to-Insulator Transition in Pt-Doped TiSe2 Driven by Emergent Network of Narrow Transport Channels
Kyungmin Lee, Jesse Choe, Davide Iaia, Juqiang Li, Ming Shi, Junzhang Ma, Mengyu Yao, Zhenyu Wang, Chien-Lung Huang, Masayuki Ochi, Ryotaro Arita, Utpal Chatterjee, Emilia Morosan, Vidya Madhavan, Nandini Trivedi
npj Quantum Mater. 6, 8 (2021)


2020


Correlating Structural, Electronic, and Magnetic Properties of Epitaxial VSe2 Thin Films
Guannan Chen, Sean T. Howard, Aniceto B. Maghirang III, Kien Nguyen Cong, Kehan Cai, Somesh C. Ganguli, Waclaw Sweich, Emilia Morosan, Ivan I. Oleynik, Feng-Chuan Chuang, Hsin Lin, Vidya Madhavan
Phys. Rev. B - Editors’ Suggestion 102, 115149 (2020)

40 Years of the Quantum Hall Effect
Klaus von Klitzing, Tapash Chakraborty, Philip Kim, Vidya Madhavan, Xi Dai, James McIver, Yoshinori Tokura, Lucile Savary, Daria Smirnova, Ana Maria Rey, Claudia Felser, Johannes Gooth, Xiaoliang Qi
Nat. Rev. Phys. 2, 397-401 (2020)

Chiral Superconductivity in Heavy-Fermion Metal UTe2
Lin Jiao, Sean Howard, Sheng Ran, Zhenyu Wang, Jorge Olivares Rodriguez, Manfred Sigrist, Ziqiang Wang, Nicholas Butch, Vidya Madhavan
Nature 579, 523-527 (2020)

Local Spectroscopies Reveal Percolative Metal in Disordered Mott Insulators
Joseph C. Szabo, Kyungmin Lee, Vidya Madhavan, Nandini Trivedi
Phys. Rev. Lett. 124, 137402 (2020)

Momentum Resolved Superconducting Energy Gaps of Sr2RuO4 from Quasiparticle Interference Imaging
Rahul Sharma, Stephen D. Edkins, Zhenyu Wang, Andrey Kostin, Chanchal Sow, Yoshiteru Maeno, Andrew P. Mackenzie, J.C. Seamus Davis, Vidya Madhavan
Proc. Natl. Acad. Sci. U.S.A. 117, 5222-5227 (2020)

Evidence for Dispersing 1D Majorana Channels in an Iron-Based Superconductor
Zhenyu Wang, Jorge Olivares Rodriguez, Lin Jiao, Sean Howard, Martin Graham, G. D. Gu, Taylor Hughes, Dirk K. Morr, Vidya Madhavan
Science 367, 104-108 (2020)


2019


Doping induced Mott collapse and the density wave instability in (Sr1-x Lax)3Ir2O7
Zhenyu Wang, Daniel Walkup, Yulia Maximenko, Wenwen Zhou, Tom Hogan, Ziqiang Wang, Stephen D. Wilson, Vidya Madhavan
npj Quantum Mater. 4, 43 (2019)

Dirac Nodal Arc Semimetal PtSn4: An Ideal Platform for Understanding Surface Properties and Catalysis for Hydrogen Evolution
Guowei Li (+), Chenguang Fu (+), Wujun Shi (+), Lin Jiao, Jiquan Wu, Qun Yang, Rana Saha, Machteld E. Kamminga, Abhay K. Srivastava, Enke Liu, Aliza N. Yazdani, Nitesh Kumar, Jian Zhang, Graeme R. Blake, Xianjie Liu, Mats Fahlman, Steffen Wirth, Gudrun Auffermann, Johannes Gooth, Stuart Parkin, Vidya Madhavan, Xinliang Feng, Yan Sun (++), Claudia Felser (++)
Angew. Chem. 58, (37) 13107-13112 (2019)

Topological nature of step edge states on the surface of topological crystalline insulator Pb0.7Sn0.3Se
Davide Iaia, Chang-Yan Wang, Yulia Maximenko, Daniel Walkup, R. Sankar, Fangcheng Chou, Yuan-Ming Lu, Vidya Madhavan
Phys. Rev. B 99, 155116 (2019)


2018


Disorder induced power-law gaps in an Insulator-Metal Mott transition
Zhenyu Wang, Yoshinori Okada, Jared O’ Neal, Wenwen Zhou, Daniel Walkup, Chetan Dhital, Tom Hogan, Patrick Clancy, Young-June Kim, Y. F. Hu, Luiz Santos, Stephen D. Wilson, Nandini Trivedi, Vidya Madhavan
Proc. Natl. Acad. Sci. U.S.A. 115, (44) 11198-11202 (2018)

Unique Gap Structure and Symmetry of the Charge Density Wave in Single-Layer VSe2
P. Chen, Woei Wu Pai, Y.-H. Chan, V. Madhavan, M. Y. Chou, S.-K. Mo, A.-V. Fedorov, and T.-C. Chiang
Phys. Rev. Lett. 121, 196402 (2018)

Searching for topological Fermi arcs via quasiparticle interference on a type-II Weyl semimetal MoTe2
Davide Iaia, Guoqing Chang, Tay-Rong Chang, Jin Hu, Zhiqiang Mao, Hsin Lin, Shichao Yan, Vidya Madhavan
npj Quantum Materials, 3, 38 (2018)

Interplay of orbital effects and nanoscale strain in topological crystalline insulators
Daniel Walkup, Badih Assaf, Kane L Scipioni, R. Sankar, Fangcheng Chou, Guoqing Chang, Hsin Lin, Ilija Zeljkovic, Vidya Madhavan
Nature Communications  9, 1550 (2018)

Defect Role in the Carrier Tunable Topological Insulator (Bi1−xSbx)2Te3 Thin Films
Kane L. Scipioni, Zhenyu Wang, Yulia Maximenko, Ferhat Katmis, Charlie Steiner, and Vidya Madhavan
Phys. Rev. B, 97, 125150 (2018)


2017


Quasiparticle Interference and Strong Electron-Mode Coupling in the Quasi-One-Dimensional Bands of Sr2RuO4
Zhenyu Wang, Daniel Walkup, Philip Derry, Thomas Scaffidi, Melinda Rak, Sean Vig, Anshul Kogar, Ilija Zeljkovic, Ali Husain, Luiz H. Santos, Yuxuan Wang, Andrea Damascelli, Yoshiteru Maeno, Peter Abbamonte, Eduardo Fradkin, Vidya Madhavan
Nature Physics 13, 799–805 (2017)

Influence of domain walls in the incommensurate charge density wave state of Cu intercalated 1T-TiSe2
Shichao Yan, Davide Iaia, Emilia Morosan, Eduardo Fradkin, Peter Abbamonte, Vidya Madhavan
Phys. Rev. Lett. 118, 106405 (2017)


2015


The influence of electron-doping on the ground state of (Sr1-xLax)2IrO4
Xiang Chen, Tom Hogan, D. Walkup, Wenwen Zhou, M. Pokharel, Mengliang Yao, Wei Tian, Thomas Z. Ward, Y. Zhao, D. Parshall, C. Opeil, J. W. Lynn, Vidya Madhavan, Stephen D. Wilson
Phys. Rev. B 92, 075125 (2015)

First-order melting of a weak spin-orbit Mott insulator into a correlated metal
Tom Hogan, Z. Yamani, D. Walkup, Xiang Chen, Rebecca Dally, Thomas Z. Ward, John Hill, Z. Islam, Vidya Madhavan, Stephen D. Wilson
Phys. Rev. Lett. 114, 257203 (2015)

Nanoscale Determination of the Mass Enhancement Factor in the Lightly-Doped Bulk Insulator Lead Selenide
Ilija Zeljkovic, Kane L Scipioni, Daniel Walkup, Yoshinori Okada, Wenwen Zhou, Raman Sankar, Guoqing Chang, Yung Jui Wang, Hsin Lin, Arun Bansil, Fangcheng Chou, Ziqiang Wang, Vidya Madhavan
Nature Communications 6, 6559 (2015)

Strain engineering Dirac surface states in heteroepitaxial topological crystalline insulator thin films Ilija Zeljkovic, Daniel Walkup, Badih Assaf, Kane L Scipioni, R. Sankar, Fangcheng Chou, Vidya Madhavan
Nature Nanotechnology 10, 849 (2015)

Dirac mass generation from crystal symmetry breaking on the surfaces of topological crystalline insulators
Ilija Zeljkovic, Yoshinori Okada, Maksym Serbyn, R. Sankar, Daniel Walkup, Wenwen Zhou, Junwei Liu, Guoqing Chang, Yung Jui Wang, M. Zahid Hasan, Fangcheng Chou, Hsin Lin, Arun Bansil, Liang Fu, Vidya Madhavan
Nature Materials 14, 318 (2015)

Large single crystal growth, transport property, and spectroscopic characterizations of three-dimensional Dirac semimetal Cd3As2
R. Sankar, M. Neupane, S.-Y. Xu, C. J. Butler, I. Zeljkovic, I. Panneer Muthuselvam, F.T. Huang, S.T. Guo, Sunil K. Karna, M.W. Chu, W. L. Lee, M.T. Lin, R. Jayavel, V. Madhavan, M. Z. Hasan, F. C. Chou
Scientific Reports 5 (2015)


2014


Mapping the unconventional orbital texture in topological crystalline insulators
Ilija Zeljkovic, Yoshinori Okada, Cheng-Yi Huang, R. Sankar, Daniel Walkup, Wenwen Zhou, Maksym Serbyn, Fangcheng Chou, Wei-Feng Tsai, Hsin Lin, Arun Bansil, Liang Fu, M. Zahid Hasan, Vidya Madhavan
Nature Physics 10, 572-577 (2014)

Carrier localization and electronic phase separation in a doped spin-orbit driven Mott phase in Sr3(Ir1-xRux)2O7
Chetan Dhital, Tom Hogan, Wenwen Zhou, Xiang Chen, Zhensong Ren, Mani Pokharel, Yoshinori Okada, M. Heine, Wei Tian, Z. Yamani, C. Opeil, J. S. Helton, J. W. Lynn, Ziqiang Wang, Vidya Madhavan, Stephen D. Wilson Nature Communications 5, 3377 (2014)


2013


Observation of Dirac node formation and mass acquisition in a topological crystalline insulator
Yoshinori Okada, Maksym Serbyn, Hsin Lin, Daniel Walkup, Wenwen Zhou, Chetan Dhital, Madhab Neupane, Suyang Xu, Yung Jui Wang, R. Sankar, Fangcheng Chou, Arun Bansil, M. Zahid Hasan, Stephen D. Wilson, Liang Fu, Vidya Madhavan
Science 341 (6153), 1496-1499 (2013)

Imaging the evolution of metallic states in a spin-orbit interaction driven correlated iridate
Yoshinori Okada, Daniel Walkup, Hsin Lin, Chetan Dhital, Tay-Rong Chang, Sovit Khadka, Wenwen Zhou, Horng-Tay Jeng, Arun Bansil, Ziqiang Wang, Stephen Wilson, Vidya Madhavan
Nature Materials 12, 707 (2013)

Topological insulators: Plasmons at the surface
Yoshinori Okada & Vidya Madhavan
Nature Nanotechnology 8, 541-542 (2013)

Topological Dangling Bonds with Large Spin Splitting and Enhanced Spin Polarization on the Surfaces of Bi2Se3 Hsin Lin, Tanmoy Das, Yoshinori Okada, Mike C. Boyer, W. Doug Wise, Michelle Tomasik, Bo Zhen, Eric W. Hudson, Wenwen Zhou, Vidya Madhavan, Chung-Yuan Ren, Hiroshi Ikuta, and Arun Bansil
Nano Lett. 13, 1915-1919 (2013)


2012


Imaging physical phenomena with local probes - from electrons to photons, spanning continuum to quantum interactions
Dawn A. Bonnell, D. N. Basov, Matthias Bode, Ulrike Diebold, Sergei V. Kalinin, Vidya Madhavan, Miquel Salmeron, Udo D. Schwarz, Paul S. Weiss Rev. Mod. Phys. 84, 1343 (2012)

Combining Scanning Tunneling Microscopy and Synchrotron Radiation for High-Resolution Imaging and Spectroscopy with Chemical, Electronic, and Magnetic Contrast
M.L. Cummings, T.Y. Chien, C. Preissner, V. Madhavan, D. Diesing, M. Bode, J.W. Freeland, V. Rose
Ultramicroscopy 112, 22 (2012)

Ripple modulated electronic structure of a 3D topological insulator
Yoshinori Okada, Wenwen Zhou, D. Walkup, Chetan Dhital, S. D. Wilson, V. Madhavan
Nature Communications 3, 1158 (2012)

Visualizing Landau levels of Dirac electrons in a one dimensional potential Yoshinori Okada, Wenwen Zhou, Chetan Dhital, D. Walkup, Ying Ran, Z. Wang, Stephen D. Wilson, V. Madhavan
Phys. Rev. Lett. 109, 166407 (2012)


2011


Electron-Spin Excitation Coupling in an Electron Doped Copper Oxide Superconductor
Jun Zhao (+), F. C. Niestemski (+), Shankar Kunwar, Shiliang Li, P. Steffens, A. Hiess, H. J. Kang, Stephen D. Wilson, Ziqiang Wang, Pengcheng Dai (++), V. Madhavan (++)
Nature Physics 7, 719-724 (2011)

Direct Observation of Broken Time-Reversal Symmetry on the Surface of a Magnetically Doped Topological Insulator
Y. Okada, C. Dhital, Wen-Wen Zhou, Hsin Lin, S. Basak, A. Bansil, Y. -B. Huang, H. Ding, Z. Wang, Stephen D. Wilson, V. Madhavan
Phys. Rev. Lett. 106, 206805 (2011)


2008


Coexistence of competing orders with two energy gaps in real and momentum space in high-Tc superconductor Bi2Sr2-xLaxCuO6+δ
J.-H. Ma, Z.-H. Pan, F. C. Niestemski, M. Neupane, Y.-M. Xu, P. Richard, K. Nakayama, T. Sato, T. Takahashi, H.-Q. Luo, L. Fang, H.-H. Wen, Ziqiang Wang, H. Ding, V. Madhavan
Phys. Rev. Lett. 101, 207002 (2008)


2007


A distinct bosonic mode in an electron-doped high-transition-temperature superconductor
F. C. Niestemski, S. Kunwar, S. Zhou, Shiliang Li, H. Ding, Ziqiang Wang, Pengcheng Dai, V. Madhavan Nature 450, 1058-1061 (13 December 2007)


Pre-2007


Imaging the granular structure of high-Tc superconductivity in underdoped Bi2Sr2CaCu2O8+δ K. M. Lang, V. Madhavan, J. E. Hoffman, E.W. Hudson, H. Eisaki, S. Uchida, J. C. Davis
Nature 415, 412 (2002)

Observation of spectral evolution during the formation of a Ni2 Kondo molecule
V. Madhavan, T. Jamneala, K. Nagaoka, W. Chen, Je-Luen Li, Steven G. Louie, M. F. Crommie
Phys. Rev. B 66, 212411 (2002)

A four unit cell periodic pattern of quasi-particle states surrounding vortex cores Bi2Sr2CaCu2O8+δ
J. E. Hoffman, E.W. Hudson, K.M. Lang, V. Madhavan, S.H. Pan, H. Eisaki, S. Uchida, J.C. Davis
Science 295 (5554), 466-469 (2002)

Interplay of magnetism and high-Tc superconductivity at individual Ni impurity atoms in Bi2Sr2CaCu2O8+δ
E.W. Hudson, K. M. Lang, V. Madhavan, S. H. Pan, H. Eisaki, S. Uchida, J. C. Davis
Nature 411, 920-924 (2001)

Local spectroscopy of a Kondo impurity: Co on Au(111)
V. Madhavan, W. Chen, T. Jamneala, M.F. Crommie, N.S. Wingreen
Phys. Rev. B 64, 165412 (2001)

Kondo response of a single antiferromagnetic chromium trimer T. Jamneala, V. Madhavan, M.F. Crommie
Phys. Rev. Lett. 87, 256804 (2001)

Scanning tunneling spectroscopy of transition-metal impurities at the surface of gold
T. Jamneala, V. Madhavan, W. Chen, M.F. Crommie
Phys. Rev. B 61, 9990 (2000)

Disappearance of Kondo resonance for artificially fabricated cobalt dimers
W. Chen, T. Jamneala, V. Madhavan, M. F. Crommie
Phys. Rev. B 60, R8529 (1999)

Scanning Tunneling Microscopy Observation of an Electronic Superlattice at the Surface of Clean Gold
W. Chen, V. Madhavan, T. Jamneala, M.F. Crommie Phys. Rev. Lett. 80, 1469 (1998)

Tunneling into a Single Magnetic Atom: Spectroscopic Evidence of the Kondo Resonance
V. Madhavan, W. Chen, T. Jamneala, M.F. Crommie, N.S. Wingreen
Science 280 (5363), 567-569 (1998)


+ - Equal Contribution

++ - Co-Corresponding Author