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Related papers: Measuring anyon dispersion with tunneling probes

200 papers

We show that the presence of anyons in the excitation spectrum of a two-dimensional system can be inferred from nonlinear spectroscopic quantities. In particular, we consider pump-probe spectroscopy, where a sample is irradiated by two…

Strongly Correlated Electrons · Physics 2024-02-07 Max McGinley , Michele Fava , S. A. Parameswaran

Anyonic fractional charges $e^*$ have been detected by autocorrelation shot noise at a quantum point contact (QPC) between two fractional quantum Hall edges. We find that the autocorrelation noise can also show a fingerprint of Abelian…

Mesoscale and Nanoscale Physics · Physics 2019-07-05 Byeongmok Lee , Cheolhee Han , H. -S. Sim

Understanding the nature of quasihole excitations, i.e., anyons that have fractional charge and statistics, has been a challenging problem in condensed matter physics. Our theoretical approach to this problem has been to consider a quantum…

Strongly Correlated Electrons · Physics 2026-05-21 Vadym Apalkov , Tapash Chakraborty

Recent measurements on 2d materials tuning between fractional quantum anomalous Hall phases and a plethora of correlated electronic states call for a detailed understanding of the dynamics of anyons. Here we develop a general theory of the…

Strongly Correlated Electrons · Physics 2025-08-22 Yuto Nakajima , Umang Mehta , Hart Goldman

The search for anyons, quasiparticles with fractional charge and exotic exchange statistics, has inspired decades of condensed matter research. Quantum Hall interferometers enable direct observation of the anyon braiding phase via discrete…

Edge states of chiral topologically ordered phases are commonly described by chiral Luttinger liquids, effective theories that are exact only in the hydrodynamic limit. Motivated by recent bulk observations of fractional Chern insulators…

Strongly Correlated Electrons · Physics 2025-11-24 Yan-Qi Wang , Johannes Motruk , Andrey Grankin , Mohammad Hafezi

Anyons are exotic quasiparticles obeying fractional statistics,whose behavior can be emulated in artificially designed spin systems.Here we present an experimental emulation of creating anyonic excitations in a superconducting circuit that…

Quantum Physics · Physics 2016-11-11 Y. P. Zhong , D. Xu , P. Wang , C. Song , Q. J. Guo , W. X. Liu , K. Xu , B. X. Xia , Chao-Yang Lu , Siyuan Han , Jian-Wei Pan , Haohua Wang

Tunneling spectroscopy is applied to tunnel junctions with only one or no ferromagnetic electrode to study the excitation of quasi particles in magnetic tunnel junctions. The bias dependence is investigated with high accuracy by inelastic…

Materials Science · Physics 2010-08-03 Volker Drewello , Zoë Kugler , Günter Reiss , Andy Thomas

Strongly interacting topologically ordered many-body systems consisting of fermions or bosons can host exotic quasiparticles with anyonic statistics. This raises the question whether many-body systems of anyons can also form anyonic…

Strongly Correlated Electrons · Physics 2020-09-15 Julia Wildeboer , Aniket Patra , Sourav Manna , Anne E. B. Nielsen

The elementary excitations of a fractional quantum Hall liquid are quasiparticles or quasiholes which are neither bosons nor fermions, but so-called anyons. Here we study impurity particles immersed in a quantum Hall liquid which bind to…

Mesoscale and Nanoscale Physics · Physics 2020-09-30 Tobias Graß , Bruno Juliá-Díaz , Niccolò Baldelli , Utso Bhattacharya , Maciej Lewenstein

Shot noise has been used to measure fractional charges of anyons. The value of the charge imposes constraints on fractional statistics but does not determine it. This issue is particularly important in multi-component systems. For example,…

Mesoscale and Nanoscale Physics · Physics 2026-04-23 Hongquan Liu , J. I. A. Li , D. E. Feldman

The study of anyons in topologically ordered quantum systems has mainly relied on edge-state interferometry. However, realizing controlled braiding of anyons necessitates the ability to detect and manipulate individual anyons within the…

Mesoscale and Nanoscale Physics · Physics 2026-02-09 Nader Mostaan , Nathan Goldman , Ataç İmamoğlu , Fabian Grusdt

The role of anyonic statistics stands as a cornerstone in the landscape of topological quantum techniques. While recent years have brought forth encouraging and persuasive strides in detecting anyons, a significant facet remains unexplored,…

Mesoscale and Nanoscale Physics · Physics 2025-07-25 Gu Zhang , Pierre Glidic , Frederic Pierre , Igor Gornyi , Yuval Gefen

We show that in quantum dots the physical quantities probed by local tunneling spectroscopies, namely the quasi-particle wavefunctions of interacting electrons, can considerably deviate from their single-particle counterparts as an effect…

Strongly Correlated Electrons · Physics 2007-05-23 Massimo Rontani , Elisa Molinari

Fractional Chern insulators (FCIs) realized in fractional quantum Hall systems subject to a periodic potential are topological phases of matter for which space group symmetries play an important role. In particular, lattice dislocations in…

Strongly Correlated Electrons · Physics 2019-02-20 Christina Knapp , Eric M. Spanton , Andrea F. Young , Chetan Nayak , Michael P. Zaletel

Studies on experimental realization of two-dimensional anyons in terms of quasiparticles have been restricted, so far, to only anyons on the plane. It is known, however, that the geometry and topology of space can have significant effects…

Quantum Gases · Physics 2021-01-12 Morris Brooks , Mikhail Lemeshko , Douglas Lundholm , Enderalp Yakaboylu

I give a non-technical account of fractional statistics in one dimension. In systems with periodic boundary conditions, the crossing of anyons is always uni-directional, and the fractional phase $\theta$ acquired by the anyons gives rise to…

Quantum Physics · Physics 2022-04-25 Martin Greiter

We present a method to identify distinct tunneling modes in tunable superconducting tunnel junction composed of superconducting tip and sample in scanning tunneling microscope. Combining the measurement of the relative decay constant of…

Superconductivity · Physics 2021-09-22 Wonhee Ko , Eugene F. Dumitrescu , Petro Maksymovych

Process of quantum tunneling of particles in various physical systems can be effectively controlled even by a weak and slow varying in time electromagnetic signal if to adapt specially its shape to a particular system. During an…

Quantum Physics · Physics 2009-02-05 B. I. Ivlev

When an electron with well-defined momentum tunnels into a nonchiral Luttinger liquid, it breaks up into two separate wave packets that carry fractional charges and move in opposite directions. A direct observation of this phenomenon has…

Mesoscale and Nanoscale Physics · Physics 2012-05-31 Ion Garate , Karyn Le Hur