Anyon dynamics in field-driven phases of the anisotropic Kitaev model

S Feng, A Agarwala, S Bhattacharjee, N Trivedi - Physical Review B, 2023 - APS
The Kitaev model on a honeycomb lattice with bond-dependent Ising interactions offers an
exactly solvable model of a quantum spin liquid (QSL) with fractionalized excitations …

Quantum turnstiles for robust measurement of full counting statistics

R Samajdar, E McCulloch, V Khemani, R Vasseur… - Physical Review Letters, 2024 - APS
We present a scalable protocol for measuring full counting statistics (FCS) in experiments or
tensor-network simulations. In this method, an ancilla in the middle of the system acts as a …

Anomalous thermal relaxation and pump-probe spectroscopy of two-dimensional topologically ordered systems

M McGinley, M Fava, SA Parameswaran - Physical Review B, 2024 - APS
We study the behavior of linear and nonlinear spectroscopic quantities in two-dimensional
topologically ordered systems, which host anyonic excitations exhibiting fractional statistics …

Principles of two-dimensional terahertz spectroscopy of collective excitations: The case of Josephson plasmons in layered superconductors

A Gómez Salvador, PE Dolgirev, MH Michael, A Liu… - Physical Review B, 2024 - APS
Two-dimensional terahertz spectroscopy (2DTS), a terahertz analog of nuclear magnetic
resonance, is a new technique poised to address many open questions in complex …

Exploring two-dimensional coherent spectroscopy with exact diagonalization: Spinons and confinement in one-dimensional quantum magnets

Y Watanabe, S Trebst, C Hickey - Physical Review B, 2024 - APS
Two-dimensional coherent spectroscopy (2DCS) with terahertz radiation offers a promising
new avenue for the exploration of many-body phenomena in quantum magnets. This …

Diagnosing electronic phases of matter using photonic correlation functions

G Nambiar, A Grankin, M Hafezi - arxiv preprint arxiv:2410.24215, 2024 - arxiv.org
In the past couple of decades, there have been significant advances in measuring quantum
properties of light, such as quadratures of squeezed light and single-photon counting. Here …

Revealing quadrupolar excitations with non-linear spectroscopy

Y Watanabe, S Trebst, C Hickey - arxiv preprint arxiv:2405.14954, 2024 - arxiv.org
Local moments with a spin $ S> 1/2$ can exhibit a rich variety of elementary quasiparticle
excitations, such as quadrupolar excitations, that go beyond the dipolar magnons of …

Long-time divergences in the nonlinear response of gapped one-dimensional many-particle systems

M Fava, S Gopalakrishnan, R Vasseur… - arxiv preprint arxiv …, 2024 - arxiv.org
We consider one dimensional many-particle systems that exhibit kinematically protected
single-particle excitations over their ground states. We show that momentum and time …

Two-dimensional spectroscopy of bosonic collective excitations in disordered many-body systems

AG Salvador, I Morera, MH Michael… - arxiv preprint arxiv …, 2025 - arxiv.org
We present a novel theoretical approach for computing and analyzing two-dimensional
spectroscopy of bosonic collective excitations in disordered many-body systems …

Detecting symmetry fractionalization in gapped quantum spin liquids by magnetic impurities

S Lu, YM Lu - Physical Review B, 2024 - APS
We study the Kondo effect of spin-1/2 magnetic impurities in gapped Z 2 spin liquids on two-
dimensional lattices. We find that if the impurity is placed at a high-symmetry location, a …