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We present a large-scale experimental study of quantum-computing-based molecular simulation carried out on IQM's Sirius 24-qubit superconducting processor, utilizing up to 16 operational qubits. The work employs Sample-based Quantum…

We investigate theoretically quantum transport through the "charge" Kondo circuit consisting of the quantum dot (QD) coupled weakly to an electrode at temperature $T+\Delta T$ and connected strongly to another electrode at the reference…

Mesoscale and Nanoscale Physics · Physics 2020-03-13 T. K. T. Nguyen , M. N. Kiselev

We study a circuit QED setup where multiple superconducting qubits are ultrastrongly coupled to a single radio-frequency resonator. In this extreme parameter regime of cavity QED the dynamics of the electromagnetic mode is very slow…

Quantum Physics · Physics 2020-02-28 T. Jaako , J. J. Garcia-Ripoll , P. Rabl

Binding energies of negative ($X^-$) and positive trions ($X^+$) in quantum wires are studied for strong quantum confinement of carriers which results in a numerical exactly solvable model. The relative electron and hole localization has a…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 B. Szafran , T. Chwiej , F. M. Peeters , S. Bednarek , J. Adamowski

I show that the quantum critical points observed in heavy fermions (the `Kondo breakdown') and in doped cuprates can be understood in terms of concealed Mott criticality. In this picture, one species of electrons undergoes a Mott…

Strongly Correlated Electrons · Physics 2025-10-03 Louk Rademaker

We study the quark number susceptibility, an indicator of QCD phase transition, in the hard wall and soft wall models of hQCD. We find that the susceptibilities in both models are the same, jumping up at the deconfinement phase transition…

High Energy Physics - Phenomenology · Physics 2010-04-15 Kwanghyun Jo , Youngman Kim , Hyun Kyu Lee , Sang-Jin Sin

Single electron charging effects in a surface-gated InSb/AlInSb QW structure are reported. This material, due to its large g-factor and light effective mass, offers considerable advantages over more commonly used materials, such as GaAs,…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 J. M. S. Orr , P. D. Buckle , M. Fearn , C. J. Storey , L. Buckle , T. Ashley

Studying quantum properties in solid-state systems is a significant avenue for research. In this scenario, double quantum dots (DQDs) appear as a versatile platform for technological breakthroughs in quantum computation and nanotechnology.…

Quantum Physics · Physics 2023-02-07 Zakaria Dahbi , Maron F. Anka , Mostafa Mansour , Moises Rojas , Clebson Cruz

There is little doubt that Quantumchromodynamics (QCD) is the theory which describes strong interaction physics. Lattice gauge simulations of QCD predict that in the $\mu,T$ plane there is a line where a transition from confined hadronic…

Nuclear Theory · Physics 2008-11-26 J. Aichelin , H. Petersen , S. Vogel , M. Bleicher

With combined hopping parameter and strong coupling expansions, we calculate a dimensionally reduced Polyakov-loop effective theory valid for heavy quarks at nonzero temperature and arbitrary chemical potential. We numerically compute the…

High Energy Physics - Lattice · Physics 2015-06-11 Michael Fromm , Jens Langelage , Stefano Lottini , Mathias Neuman , Owe Philipsen

Nanoscale size-effects drastically alter the fundamental properties of semiconductors. Here, we investigate the dominant role of quantum confinement in the field-effect device properties of free-standing InAs nanomembranes with varied…

We propose a conceptual distinction between hard and soft realizations of deconfinement from nuclear to quark matter. In the high density region of Hard Deconfinement the repulsive hard cores of baryons overlap each other and bulk…

High Energy Physics - Phenomenology · Physics 2020-11-19 Kenji Fukushima , Toru Kojo , Wolfram Weise

Our research delves into the QCD phase diagram in the temperature $T$ and quark chemical potential $\mu$ plane. We use a unique confining contact interaction effective model of quark dynamics that maintains the QCD symmetry intact. By…

High Energy Physics - Phenomenology · Physics 2023-08-28 Aftab Ahmad , Muhammad Azher , Alfredo Raya

The effect of long distance coherent tunneling (LDCT) on the charge and heat currents in serially coupled triple quantum dots (TQDs) connected to electrodes is illustrated by using a combination of the extended Hurbbard model and Anderson…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 David M T Kuo , Yia-chung Chang

Coupled elliptic quantum dots with different aspect ratios containing up to two electrons are studied using a model confinement potential in the presence of magnetic fields. Single and two particle Schroedinger equations are solved using…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 L. -X. Zhang , D. V. Melnikov , J. -P. Leburton

We study a model proposed recently in which a small quantum dot is coupled symmetrically to several large quantum dots characterized by a charging energy E_c. Even if E_c is much smaller than the Kondo temperature T_K, the long-ranged…

Strongly Correlated Electrons · Physics 2009-11-10 S. Florens , A. Rosch

This work reports radiative transition rates and electron impact excitation rate coefficients for levels of the n= 3, 4, 5, 6, 7, 8 configurations of Ca II. The radiative data were computed using the Thomas-Fermi-Dirac central potential…

Astrophysics · Physics 2009-11-13 M. Melendez , M. A. Bautista , N. R. Badnell

We study the QCD scaling behavior of the small-angle Energy-Energy Correlator (EEC), focusing on the transition between its perturbative pre-confinement and non-perturbative post-confinement regimes. Applying the light-ray Operator Product…

High Energy Physics - Phenomenology · Physics 2025-07-23 Cyuan-Han Chang , Hao Chen , Xiaohui Liu , David Simmons-Duffin , Feng Yuan , Hua Xing Zhu

We study the effects of rotation on the confinement/deconfinement phase transition of strongly interacting matter, at low temperatures, in the soft wall AdS/QCD model at finite density. To achieve it, we apply the Hawking-Page approach to…

High Energy Physics - Theory · Physics 2025-12-10 Octavio C. Junqueira , Roldao da Rocha

The methodology based on the association of the Variational Method with Supersymmetric Quantum Mechanics is used to evaluate the energy states of the confined hydrogen atom.

High Energy Physics - Theory · Physics 2015-06-26 Elso Drigo Filho , Regina Maria Ricotta