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Related papers: Component twist method for higher twists in D1D5 C…

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We describe a new method for the decomposition of an arbitrary $n$ qubit operator with entries in $\mathbb{Z}[i,\frac{1}{\sqrt{2}}]$, i.e., of the form $(a+b\sqrt{2}+i(c+d\sqrt{2}))/{\sqrt{2}^{k}}$, into Clifford+$T$ operators where $n\le…

Quantum Physics · Physics 2014-08-27 Travis Russell

An accurate description of 2-D quantum transport in a double-gate metal oxide semiconductor filed effect transistor (dgMOSFET) requires a high-resolution solver to a coupled system of the 4-D Wigner equation and 2-D Poisson equation. In…

Computational Physics · Physics 2022-05-10 Zhenzhu Chen , Haiyan Jiang , Sihong Shao

Two dimensional (2D) van der Waals (vdW) magnetic semiconductors are a new class of quantum materials for studying the emergent physics of excitons and spins in the 2D limit. Twist engineering provides a powerful tool to manipulate the…

We present optimized tight-binding models with atomic orbitals to improve \textit{ab initio} tight-binding models constructed by truncating full density functional theory (DFT) Hamiltonian based on localized orbitals. Retaining qualitative…

Mesoscale and Nanoscale Physics · Physics 2024-02-20 Sejoong Kim

A remarkable orbital quadrupole magnetic resonance, so-called twist mode, is predicted in alkali metal clusters where it is represented by $I^{\pi}=2^-$ low-energy excitations of valence electrons with strong M2 transitions to the ground…

Mesoscale and Nanoscale Physics · Physics 2008-11-26 V. O. Nesterenko , J. R. Marinelli , F. F. de Souza Cruz , W. Kleinig , P. -G. Reinhard

Using some techniques of conformal field theories, we find a closed expression for the contribution of leading twist operators and their descendants, obtained by adding total derivatives, to the operator product expansion (OPE) of two…

High Energy Physics - Phenomenology · Physics 2020-12-09 V. M. Braun , Yao Ji , A. N. Manashov

We consider the semi-classical expansion of the Bunch-Davies wavefunction with future boundary condition in position space for a real scalar field, conformally coupled to a classical de Sitter background in the expanding Poincar\'e patch…

High Energy Physics - Theory · Physics 2021-02-18 Till Heckelbacher , Ivo Sachs

We extend the method for constructing symmetry operators of higher order for two-dimensional quantum Hamiltonians by Kalnins, Kress and Miller (2010). This expansion method expresses the integral in a finite power series in terms of lower…

Mathematical Physics · Physics 2025-05-26 Ian Marquette , Anthony Parr

Recent work explores the candidate phases of the 4d adjoint quantum chromodynamics (QCD$_4$) with an SU(2) gauge group and two massless adjoint Weyl fermions. Both Cordova-Dumitrescu and Bi-Senthil propose possible low energy 4d topological…

High Energy Physics - Theory · Physics 2019-04-26 Zheyan Wan , Juven Wang

We study higher-form symmetries in 5d quantum field theories, whose charged operators include extended operators such as Wilson line and 't Hooft operators. We outline criteria for the existence of higher-form symmetries both from a field…

High Energy Physics - Theory · Physics 2020-05-29 David R. Morrison , Sakura Schafer-Nameki , Brian Willett

We construct solutions of IIB supergravity dual to non-supersymmetric states of the D1D5 system. These solutions are constructed as perturbations carrying both left and right moving momentum around the maximally rotating D1D5 ground state…

High Energy Physics - Theory · Physics 2017-10-25 Alessandro Bombini , Stefano Giusto

Density functional theory (DFT) provides convenient electronic structure methods for the study of molecular systems and materials. Regular Kohn-Sham DFT calculations rely on unitary transformations to determine the ground-state electronic…

Chemical Physics · Physics 2022-10-10 Greta Jacobson , Juan M. Marmolejo-Tejada , Martín A. Mosquera

CdTe and its alloy CdTeSe are widely used in optoelectronic devices, such as radiation detectors and solar cells, due to their superior electrical properties. However, the formation of defects and defect complexes in these materials can…

Materials Science · Physics 2024-08-29 Xiaofeng Xiang , Yijun Tong , Aaron Gehrke , Scott Dunham

(3+1)D topological phases of matter can host a broad class of non-trivial topological defects of codimension-1, 2, and 3, of which the well-known point charges and flux loops are special cases. The complete algebraic structure of these…

Strongly Correlated Electrons · Physics 2023-04-12 Maissam Barkeshli , Yu-An Chen , Sheng-Jie Huang , Ryohei Kobayashi , Nathanan Tantivasadakarn , Guanyu Zhu

We present a constructive method utilizing the Cartan decomposition to characterize topological properties and their connection to two-qubit quantum entanglement, in the framework of the tenfold classification and Wootters' concurrence.…

Quantum Physics · Physics 2025-02-05 Nadav Orion , Eric Akkermans

The DFT-1/2 method in density functional theory [L. G. Ferreira et al., Phys. Rev. B 78, 125116 (2008)] aims to provide accurate band gaps at the computational cost of semilocal calculations. The method has shown promise in a large number…

Materials Science · Physics 2019-03-04 Jan Doumont , Fabien Tran , Peter Blaha

Recently, the notion of symmetry descent has been introduced in order to obtain the $(d+1)$-dimensional Symmetry TFT (SymTFT) of a $d$-dimensional QFT from the edge mode behaviour of a theory in $(d+2)$-dimensions. This method has so far…

High Energy Physics - Theory · Physics 2024-11-25 Finn Gagliano , Iñaki García Etxebarria

The high-temperature limit of the superconformal index, especially on higher sheets, often captures useful universal information about a theory. In 4d $\mathcal{N}=2$ superconformal field theories with fractional r-charges, there exists a…

High Energy Physics - Theory · Physics 2026-05-21 Arash Arabi Ardehali , Mykola Dedushenko , Dongmin Gang , Mikhail Litvinov

In this paper, we consider the optimized implementation of Multi Controlled Toffoli (MCT) using the Clifford $+$ T gate sets. While there are several recent works in this direction, here we explicitly quantify the trade-off (with concrete…

Quantum Physics · Physics 2025-02-12 Suman Dutta , Siyi Wang , Anubhab Baksi , Anupam Chattopadhyay , Subhamoy Maitra

An innovative technique, called conversion, is introduced to model circumferential cracks in thin cylindrical shells. The semi-analytical finite element method is applied to investigate the modal deformation of the cylinder. An element…

Numerical Analysis · Mathematics 2021-07-21 Ali Alijani , Olga Barrera , Stephane P. A. Bordas