Browse research papers in Condensed Matter Physics - Physics and Astronomy Discover 7 academic papers with AI-powered analysis

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Physics and Astronomy

Condensed Matter Physics

The physics of solid and liquid matter, including semiconductors, superconductors, magnetism, phase transitions, nanophysics, and quantum materials

7 papers in this specialization

Papers

Universal quantum computation using Ising anyons from a non-semisimple topological quantum field theory

This theoretical study introduces a new approach to topological quantum computation using 'non-semisimple' anyons, claiming they offer a more powerful way to build a quantum computer. While the theory relies on a modification of quantum mechanics that currently has no physical realization, it suggests new possibilities for quantum computing using the same anyon types thought to exist in experimentally observed fractional quantum Hall systems.

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s41467-025-61342-8.pdf

Aug 05, 03:26 PM

Finite-temperature transport in one-dimensional quantum lattice models

This review examines how heat and spin flow in 1D quantum systems, especially those with special mathematical properties (integrable models) like the Heisenberg and Hubbard models. It covers recent theoretical and computational advances like Generalized Hydrodynamics, explaining how these systems can be surprisingly good conductors even when strongly interacting, sometimes displaying exotic phenomena like "superdiffusion."

Time-reversal symmetry-breaking charge order in a kagome superconductor

This study uses muon spin relaxation to demonstrate time-reversal symmetry breaking associated with charge order in the kagome superconductor KV3Sb5. This charge order enhances the internal magnetic field width sensed by muons and persists into the superconducting state, which itself exhibits a multi-gap nature with a Tc/λab ratio comparable to unconventional high-temperature superconductors.

Terahertz detection based on nonlinear Hall effect without magnetic field

This paper proposes a new method for broadband terahertz detection using the nonlinear Hall effect in non-centrosymmetric quantum materials. The method utilizes the quadratic relationship between transverse current and input voltage to rectify terahertz radiation without any diode, offering potential advantages like zero threshold voltage, fast response speed, and high cutoff frequency.

Quantum regression in dephasing phenomena

This paper investigates the validity of quantum regression for a specific class of quantum systems that induce phase-damping. The analysis reveals that nontrivial phase-damping and quantum regression are only compatible when parts of the total system-bath Hamiltonian don't commute. The study focuses on scenarios like the spin-boson model, exploring coupling functions where quantum regression holds exactly or approximately, especially under specific limits like "flat" coupling.

The 2020 UV emitter roadmap

This roadmap summarizes the state-of-the-art in UV emitter technology, focusing on the (Al,In,Ga)N material system. It highlights key challenges such as improving light output power, operation voltage, and long-term stability, especially for UVB and UVC emitters, and discusses potential solutions and future research directions.

Carving out OPE space and precise O(2) model critical exponents

This paper develops new numerical bootstrap methods, including a "cutting surface" algorithm for scanning OPE coefficients, and applies them to the 3D O(2) model. The results improve the precision of scaling dimension calculations, further supporting Monte Carlo simulations over experimental findings and providing refined estimates for several OPE coefficients.