56 citations · 296 across the 21 of their papers we have counts for
21 papers
Local dynamics and the structure of chaotic eigenstates
Zhengyan Darius Shi, Shreya Vardhan, Hong Liu
We identify new universal properties of the energy eigenstates of chaotic systems with local interactions, which distinguish them both from integrable systems and from non-local ch…
Chiral Anomaly Beyond Fermionic Paradigm
Tianyu Liu, Zheng Shi, Hai-Zhou Lu +1
Two-dimensional magnets have manifested themselves as promising candidates for quantum devices. We here report that the edge and strain effects during the device fabrication with t…
Measurement-based infused circuits for variational quantum eigensolvers
Albie Chan, Zheng Shi, Luca Dellantonio +2
Variational quantum eigensolvers (VQEs) are successful algorithms for studying physical systems on quantum computers. Recently, they were extended to the measurement-based model of…
Enhancing Quantum Computation via Superposition of Quantum Gates
Jorge Miguel-Ramiro, Zheng Shi, Luca Dellantonio +3
Overcoming the influence of noise and imperfections in quantum devices is one of the main challenges for viable quantum applications. In this article, we present different protocol…
Superposed Quantum Error Mitigation
Jorge Miguel-Ramiro, Zheng Shi, Luca Dellantonio +3
Overcoming the influence of noise and imperfections is a major challenge in quantum computing. Here, we present an approach based on applying a desired unitary computation in super…
Loop current fluctuations and quantum critical transport
Zhengyan Darius Shi, Dominic V. Else, Hart Goldman +1
We study electrical transport at quantum critical points (QCPs) associated with loop current ordering in a metal, focusing specifically on models of the "Hertz-Millis" type. At the…
Gifts from anomalies: Exact results for Landau phase transitions in metals
Zhengyan Darius Shi, Hart Goldman, Dominic V. Else +1
Non-Fermi liquid phenomena arise naturally near critical points of Landau ordering transitions in metallic systems, where strong fluctuations of a bosonic order parameter destroy c…
Many body localization transition with correlated disorder
Zhengyan Darius Shi, Vedika Khemani, Romain Vasseur +1
We address the critical properties of the many-body localization (MBL) phase transition in one-dimensional systems subject to spatially correlated disorder. We consider a general f…
Pseudo Landau levels, negative strain resistivity, and enhanced thermopower in twisted graphene nanoribbons
Zheng Shi, Hai-Zhou Lu, Tianyu Liu
As a canonical response to the applied magnetic field, the electronic states of a metal are fundamentally reorganized into Landau levels. In Dirac metals, Landau levels can be expe…
Twist-induced magnon Landau levels in honeycomb magnets
Tianyu Liu, Zheng Shi
Lattice deformation resulting from elastic strain is known to spatially modulate the wave function overlap of the atoms on the lattice and can drastically alter the properties of t…
Holographic flows from CFT to the Kasner universe
Alexander Frenkel, Sean A. Hartnoll, Jorrit Kruthoff +1
The Schwarzschild singularity is known to be classically unstable. We demonstrate a simple holographic consequence of this fact, focusing on a perturbation that is uniform in bound…
Disorder correction to the minimal conductance of a nodal-point semimetal
Zheng Shi, Björn Sbierski, Piet W. Brouwer
We consider the disorder-induced correction to the minimal conductance of an anisotropic two-dimensional Dirac node or a three-dimensional Weyl node. An analytical expression is de…
Long distance coherence of Majorana wires
Zheng Shi, Piet W. Brouwer, Karsten Flensberg +2
Theoretically, a pair of Majorana bound states in a topological superconductor forms a single fermionic level even at large separations, implying that the parity information is sto…
Poor man's scaling: Coqblin--Schrieffer model revisited
Eugene Kogan, Zheng Shi
We derive the third-order poor man's scaling equation for a generic Hamiltonian describing a quantum impurity embedded into an itinerant electron gas. We show that the Coqbli…
Topological order in matrix Ising models
Sean A. Hartnoll, Edward A. Mazenc, Zhengyan D. Shi
We study a family of models for an matrix worth of Ising spins . In the large limit we show that the spins soften, so that the partition function is…
Kondo effect due to a hydrogen impurity in graphene: a multichannel Kondo problem with diverging hybridization
Zheng Shi, Emilian M. Nica, Ian Affleck
We consider the Kondo effect arising from a hydrogen impurity in graphene. As a first approximation, the strong covalent bond to a carbon atom removes that carbon atom without brea…
Magnon quantum anomalies in Weyl ferromagnets
Tianyu Liu, Zheng Shi
When subjected to parallel electric field and magnetic field , Weyl semimetals exhibit the exotic transport property known as the chiral anomaly due to the p…
Effect of long-range interaction on graphene edge magnetism
Zheng Shi, Ian Affleck
It has been proposed that interactions lead to ferromagnetism on a zigzag edge of a graphene sheet. While not yet directly studied experimentally, dramatically improving techniques…
Conductance of closed and open long Aharonov-Bohm-Kondo rings
Zheng Shi, Yashar Komijani
We calculate the finite temperature linear DC conductance of a generic single-impurity Anderson model containing an arbitrary number of Fermi liquid leads, and apply the formalism…
Impurity entropy of junctions of multiple quantum wires
Zheng Shi
We calculate the zero-temperature impurity entropy of a junction of multiple quantum wires of interacting spinless fermions. Starting from a given single-particle S-matrix represen…
A fermionic approach to tunneling through junctions of multiple quantum wires
Zheng Shi, Ian Affleck
Junctions of multiple one-dimensional quantum wires of interacting electrons have received considerable theoretical attention as a basic constituent of quantum circuits. While resu…