Search Results - "Parameswaran, A."

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  1. 1

    Universal Properties of Many-Body Delocalization Transitions by Potter, Andrew C., Vasseur, Romain, Parameswaran, S. A.

    Published in Physical review. X (14-09-2015)
    “…We study the dynamical melting of “hot” one-dimensional many-body localized systems. As disorder is weakened below a critical value, these nonthermal quantum…”
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  2. 2

    Asymptotically Exact Theory for Nonlinear Spectroscopy of Random Quantum Magnets by Parameswaran, S A, Gopalakrishnan, S

    Published in Physical review letters (04-12-2020)
    “…We study nonlinear response in quantum spin systems near infinite-randomness critical points. Nonlinear dynamical probes, such as two-dimensional (2D) coherent…”
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    Probing the Chiral Anomaly with Nonlocal Transport in Three-Dimensional Topological Semimetals by Parameswaran, S. A., Grover, T., Abanin, D. A., Pesin, D. A., Vishwanath, A.

    Published in Physical review. X (02-09-2014)
    “…Weyl semimetals are three-dimensional crystalline systems where pairs of bands touch at points in momentum space, termed Weyl nodes, that are characterized by…”
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  5. 5

    Global Phase Diagram of the Normal State of Twisted Bilayer Graphene by Wagner, Glenn, Kwan, Yves H, Bultinck, Nick, Simon, Steven H, Parameswaran, S A

    Published in Physical review letters (15-04-2022)
    “…We investigate the full doping and strain-dependent phase diagram of the normal state of magic-angle twisted bilayer graphene (TBG). Using comprehensive…”
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  6. 6

    Current at a Distance and Resonant Transparency in Weyl Semimetals by Baum, Yuval, Berg, Erez, Parameswaran, S. A., Stern, Ady

    Published in Physical review. X (21-12-2015)
    “…Surface Fermi arcs are the most prominent manifestation of the topological nature of Weyl semimetals. In the presence of a static magnetic field oriented…”
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    Multiversality and Unnecessary Criticality in One Dimension by Prakash, Abhishodh, Fava, Michele, Parameswaran, S A

    Published in Physical review letters (23-06-2023)
    “…We present microscopic models of spin ladders which exhibit continuous critical surfaces whose properties and existence, unusually, cannot be inferred from…”
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  9. 9

    Unhinging the Surfaces of Higher-Order Topological Insulators and Superconductors by Tiwari, Apoorv, Li, Ming-Hao, Bernevig, B A, Neupert, Titus, Parameswaran, S A

    Published in Physical review letters (31-01-2020)
    “…We show that the chiral Dirac and Majorana hinge modes in three-dimensional higher-order topological insulators (HOTIs) and superconductors (HOTSCs) can be…”
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  10. 10

    Exciton Band Topology in Spontaneous Quantum Anomalous Hall Insulators: Applications to Twisted Bilayer Graphene by Kwan, Yves H, Hu, Yichen, Simon, Steven H, Parameswaran, S A

    Published in Physical review letters (02-04-2021)
    “…We uncover topological features of neutral particle-hole pair excitations of correlated quantum anomalous Hall (QAH) insulators whose approximately flat…”
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    Floquet quantum criticality by Berdanier, William, Kolodrubetz, Michael, Parameswaran, S. A., Vasseur, Romain

    “…We study transitions between distinct phases of one-dimensional periodically driven (Floquet) systems. We argue that these are generically controlled by…”
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  12. 12

    Quantum criticality of hot random spin chains by Vasseur, R, Potter, A C, Parameswaran, S A

    Published in Physical review letters (29-05-2015)
    “…We study the infinite-temperature properties of an infinite sequence of random quantum spin chains using a real-space renormalization group approach, and…”
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  13. 13

    Topological order and absence of band insulators at integer filling in non-symmorphic crystals by Parameswaran, Siddharth A., Turner, Ari M., Arovas, Daniel P., Vishwanath, Ashvin

    Published in Nature physics (01-05-2013)
    “…Band insulators appear in a crystalline system only when the filling—the number of electrons per unit cell and spin projection—is an integer. At fractional…”
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  14. 14

    Ramified Covering Maps and Stability of Pulled-back Bundles by Biswas, Indranil, Parameswaran, A J

    Published in International mathematics research notices (06-08-2022)
    “…Abstract Let $f\,:\,C\,\longrightarrow \,D$ be a nonconstant separable morphism between irreducible smooth projective curves defined over an algebraically…”
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  15. 15

    Divergent Nonlinear Response from Quasiparticle Interactions by Fava, Michele, Gopalakrishnan, Sarang, Vasseur, Romain, Essler, Fabian, Parameswaran, S A

    Published in Physical review letters (22-12-2023)
    “…We demonstrate that nonlinear response functions in many-body systems carry a sharp signature of interactions between gapped low-energy quasiparticles. Such…”
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    Kekulé Spiral Order at All Nonzero Integer Fillings in Twisted Bilayer Graphene by Kwan, Y. H., Wagner, G., Soejima, T., Zaletel, M. P., Simon, S. H., Parameswaran, S. A., Bultinck, N.

    Published in Physical review. X (01-12-2021)
    “…We study magic angle graphene in the presence of both strain and particle-hole symmetry breaking due to nonlocal interlayer tunneling. We perform a…”
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    Skyrmions in Twisted Bilayer Graphene: Stability, Pairing, and Crystallization by Kwan, Yves H., Wagner, Glenn, Bultinck, Nick, Simon, Steven H., Parameswaran, S. A.

    Published in Physical review. X (01-07-2022)
    “…We study the excitations that emerge upon doping the translationally invariant correlated insulating states in magic-angle twisted bilayer graphene at various…”
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  18. 18

    Non-Fermi Glasses: Localized Descendants of Fractionalized Metals by Parameswaran, S A, Gopalakrishnan, S

    Published in Physical review letters (06-10-2017)
    “…Non-Fermi liquids are metals that cannot be adiabatically deformed into free fermion states. We argue for the existence of "non-Fermi glasses," phases of…”
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    Classical Dimers on Penrose Tilings by Flicker, Felix, Simon, Steven H., Parameswaran, S. A.

    Published in Physical review. X (01-01-2020)
    “…We study the classical dimer model on rhombic Penrose tilings, whose edges and vertices may be identified as those of a bipartite graph. We find that Penrose…”
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    The étale fundamental group of moduli of parahoric group scheme torsors over a curve by Parameswaran, A J, Pandey, Yashonidhi

    “…Let X be a smooth projective curve over an algebraically closed field k . Let G be an almost simple simply-connected group over k . Let G be a Bruhat–Tits…”
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