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We derive a number of exact relations between response functions of holomorphic, chiral fractional quantum Hall states and their particle-hole (PH) conjugates. These exact relations allow one to calculate the Hall conductivity, Hall…

Strongly Correlated Electrons · Physics 2017-05-24 Dung Xuan Nguyen , Tankut Can , Andrey Gromov

Jaynes-Cummings Hamiltonian provides the elemental description of a two-level system interacting with a photonic mode. In this Article, we derive an expression for the transmission response via a photonic signal that describes the…

Quantum Physics · Physics 2025-03-11 V. F. Maisi

The periodic Anderson model (PAM) is a fundamental model describing heavy fermion systems. In this paper, we examine the PAM with electron-phonon interactions. Introducing a new analytical method based on operator inequalities, we prove…

Mathematical Physics · Physics 2023-07-19 Tadahiro Miyao , Hayato Tominaga

We discuss the implications of approximate particle-hole symmetry in a half-filled Landau level in which a paired quantum Hall state forms. We note that the Pfaffian state is not particle-hole symmetric. Therefore, in the limit of vanishing…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Sung-Sik Lee , Shinsei Ryu , Chetan Nayak , Matthew P. A. Fisher

The model of Composite Fermions for describing interacting electrons in two dimensions in the presence of a magnetic field is described. In this model, charged Fermions are combined with an even number of magnetic flux quanta in such a way…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 B. Kramer , N. Magnoli , E. Mariani , M. Merlo , F. Napoli , M. Sassetti

A microscopic theory is presented for identifying shape-phase structures and transitions in interacting fermion systems. The method provides a microscopic description for collective shape-phases, and reveals detailed dependence of such…

Nuclear Theory · Physics 2007-05-23 Yu-xin Liu , Zhan-feng Hou , Yu Zhang , Haiqing Wei

We show how to map a given n-qubit target Hamiltonian with bounded-strength k-body interactions onto a simulator Hamiltonian with two-body interactions, such that the ground-state energy of the target and the simulator Hamiltonians are the…

Quantum Physics · Physics 2008-11-26 Sergey Bravyi , David P. DiVincenzo , Daniel Loss , Barbara M. Terhal

We study the equation of state of hot and dense hadronic matter using an extended Chiral Mean Field (CMF) model framework where the addition is the inclusion of interactions of thermally excited mesons. This is implemented by calculating…

We consider the translationally invariant Pauli-Fierz model describing a charged particle interacting with the electromagnetic field. We show under natural assumptions that the fiber Hamiltonian at zero momentum has a ground state.

Mathematical Physics · Physics 2024-02-29 David Hasler , Oliver Siebert

We analyze the linear response of a half filled Landau level to long wavelength and low frequency driving forces, using Fermi liquid theory for composite fermions. This response is determined by the composite fermions quasi--particle…

Condensed Matter · Physics 2009-10-28 Ady Stern , Bertrand I. Halperin

We present a quantum field theoretical analysis of a $\nu = 1$ quantum Hall system when the effective Land\'e $g$ factor is small. We clearly demonstrate that the ground state of the system is ferromagnetic. We note that it is the short…

Mesoscale and Nanoscale Physics · Physics 2008-02-03 Rashmi Ray , Joan Soto

The coupled-wire construction provides a useful way to obtain microscopic Hamiltonians for various two-dimensional topological phases, among which fractional quantum Hall states are paradigmatic examples. Using the recently introduced flux…

Strongly Correlated Electrons · Physics 2019-01-23 Yohei Fuji , Akira Furusaki

A fractional quantized Hall state with filling fraction $\nu = p/(2mp+1)$ can be modeled as an integer quantized Hall state of transformed fermions, interacting with a Chern-Simons field. The electromagnetic response function for these…

Condensed Matter · Physics 2009-10-22 Steven H. Simon , Bertrand I. Halperin

We study a paired state at the half-filled Landau level using a mean field theory on the von Neumann lattice. We obtain a microscopic model which shows a continuous transition from the compressible stripe state to the paired state. The…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Nobuki Maeda

We discuss in detail level/rank duality in three-dimensional Chern-Simons theories and various related dualities in three-dimensional Chern-Simons-matter theories. We couple the dual Lagrangians to appropriate background fields (including…

High Energy Physics - Theory · Physics 2016-10-12 Po-Shen Hsin , Nathan Seiberg

The mean field (MF) composite Fermion (CF) picture successfully predicts the low-lying bands of states of fractional quantum Hall systems. This success cannot be attributed to the originally proposed cancellation between Coulomb and…

Mesoscale and Nanoscale Physics · Physics 2017-08-23 Arkadiusz Wojs , John J Quinn , Lucjan Jacak

We study the ground states of the pieces' model in the Fermi-Dirac statistics in the thermodynamic limit. In other words, we consider the minimizing configurations of $ n $ interacting fermions in an interval $ \Lambda $ divided into pieces…

Mathematical Physics · Physics 2023-03-29 Vadim Ognov

Here, we analyse two Dirac fermion species in two spatial dimensions in the presence of general quartic contact interactions. By employing functional bosonisation techniques, we demonstrate that depending on the couplings of the fermion…

Mesoscale and Nanoscale Physics · Physics 2021-01-07 Patricio Salgado-Rebolledo , Giandomenico Palumbo , Jiannis K. Pachos

Recent experiments have shown that a quantized Hall plateau can occur in double layer systems at total filling factor v=1/2, though there is no plateau at v=1/2 in a normal single layer system. For the single layer system, considerable…

Condensed Matter · Physics 2009-10-22 Bertrand I. Halperin

We study a quantum Hall bilayer system of bosons at total filling factor $\nu = 1$, and study the phase that results from short ranged pair-tunneling combined with short ranged interlayer interactions. We introduce two exactly solvable…

Mesoscale and Nanoscale Physics · Physics 2014-12-10 Gunnar Möller , Layla Hormozi , Joost Slingerland , Steven H. Simon