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Related papers: Fractional Charge

200 papers

A composite fermion edge state theory of current fluctuations, fractional quasiparticle charge and Johnson-Nyquist noise in the fractional quantum Hall regime is presented. It is shown that composite fermion current fluctuations and the…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 George Kirczenow

A connection between fractional supersymmetric quantum mechanics and ordinary supersymmetric quantum mechanics is established in this Letter.

Mathematical Physics · Physics 2007-05-23 M. Daoud , M. Kibler

We propose the existence and study the solitonic excitations in two kinds of samples in the fractional quantum Hall regime. One is a strip modulated by a one-dimensional array of gates. The other is made of two parallel strips coupled by a…

Condensed Matter · Physics 2009-10-28 Eshel Ben-Jacob , Francisco Guinea , Ziv Hermon , Alexander Shnirman

** The primary topic of this dissertation is the study of the relationships between parts and wholes as described by particular physical theories, namely generalized probability theories in a quasi-classical physics framework and…

Quantum Physics · Physics 2009-04-23 M. P. Seevinck

We explore consequences of a hypothetical difference between active charges, which generate electric fields, and passive charges, which respond to them. A confrontation to experiments using atoms, molecules, or macroscopic matter yields…

Atomic Physics · Physics 2008-11-26 C. Laemmerzahl , A. Macias , H. Mueller

The effective fractional charges like 17/4 or 19/4 are explained by our angular momentum theory. These fractions do not arise from the odd denominator rule. Due to spin polarization for both of these along the magnetic field, these states…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Keshav N. Shrivastava

A quantum statistical theory is developed for a fractional quantum Hall effects in terms of composite bosons (fermions) each of which contains a conduction electron and an odd (even) number of fluxons. The cause of the QHE is by assumption…

Mesoscale and Nanoscale Physics · Physics 2013-04-30 Shigeji Fujita , Akira Suzuki , H. C. Ho

We show that fermion charge fractionalization can take place in a recently proposed chiral gauge model for graphene even in the absence of Kekul\'e distortion of the graphene honeycomb lattice. We extend the model by adding the coupling of…

High Energy Physics - Theory · Physics 2012-06-04 Angel E. Obispo , Marcelo Hott

We discuss various mechanisms for the creation of an asymmetric charge fluctuation with respect to the reaction plane among hadrons emitted in relativistic heavy-ion collisions. We show that such mechanisms exist in both, the hadronic gas…

High Energy Physics - Phenomenology · Physics 2015-03-13 Masayuki Asakawa , Abhijit Majumder , Berndt Müller

We propose a quasi-particle formulation of effective edge theories for the fractional quantum Hall effect. For the edge of a Laughlin state with filling fraction \nu=1/m, our fundamental quasi-particles are edge electrons of charge -e and…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 R. A. J. van Elburg , K. Schoutens

The functional integral has many triumphs in elucidating quantum theory. But incorporating charge fractionalization into that formalism remains a challenge.

High Energy Physics - Theory · Physics 2017-08-23 R. Jackiw

The existence of fractional charges carrying the current is experimentally demonstrated. Using a 2-D electron system in high magnetic field, we measure the shot noise associated with tunneling in the fractional quantum Hall regime at Landau…

Condensed Matter · Physics 2009-10-30 L. Saminadayar , D. C. Glattli , Y. Jin , B. Etienne

While free and weakly interacting particles are well described by a a second-quantized nonlinear Schr\"odinger field, or relativistic versions of it, the fields of strongly interacting particles are governed by effective actions, whose…

Quantum Physics · Physics 2015-06-11 H. Kleinert

I review the main features of the color charge degree of freedom in particle physics, sketch the paradox in the early quark model that led to color, give a personal perspective on the discovery of color and describe the introduction of the…

History and Philosophy of Physics · Physics 2017-08-23 O. W. Greenberg

The persistent Hall voltage and current in an isolated annulus in a strong perpendicular magnetic field, at odd inverse filling factor, and in the presence of a weak constriction is obtained as a function of temperature, and flux piercing…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Stefan Kettemann

Fractional calculus is a couple of centuries old, but its development has been less embraced and it was only within the last century that a program of applications for physics started. Regarding quantum physics, it has been only in the…

General Relativity and Quantum Cosmology · Physics 2020-03-03 P. V. Moniz , S. Jalalzadeh

The calculation of the band-gap by density-functional theory (DFT) methods is examined by considering the behavior of the energy as a function of number of electrons. It is found that the incorrect band-gap prediction with most approximate…

Materials Science · Physics 2009-11-13 Aron J. Cohen , Paula Mori-Sánchez , Weitao Yang

Various interpretations of quantum mechanics, favored (or neglected) by John Bell in the context of his non-locality theorem, are compared and discussed.

Quantum Physics · Physics 2017-01-23 H. Dieter Zeh

Fractional classical mechanics has been introduced and developed as a classical counterpart of the fractional quantum mechanics. Lagrange, Hamilton and Hamilton-Jacobi frameworks have been implemented for the fractional classical mechanics.…

Mathematical Physics · Physics 2013-02-05 Nick Laskin

A review of fundamentals and physical applications of fractional quantum mechanics has been presented. Fundamentals cover fractional Schr\"odinger equation, quantum Riesz fractional derivative, path integral approach to fractional quantum…

Mathematical Physics · Physics 2010-09-29 Nick Laskin