Results 111 to 120 of about 13,101 (315)

Integrable Boundary Flows and the g-function [PDF]

, 2012
This thesis explores renormalisation group flows in integrable quantum field theories with boundaries, as described by the g-function. The main focus is on the g-function in the staircase model, the renormalisation group flow of which passes close to the
WILBOURNE, RUTH,MARGARET, Wilbourne, Ruth Margaret   +1 more
core  

Quantum dynamics of cosmological particle production: interacting quantum field theories with matrix product states

Journal of High Energy Physics
Understanding real-time dynamics of interacting quantum fields in curved space-time remains a major theoretical challenge. We employ tensor network methods to study such dynamics using interacting scalar and gauge theories in 1+1 spacetime dimensions ...
Evan Budd, Adrien Florio, David Frenklakh, Swagato Mukherjee   +3 more
doaj   +1 more source

On a Convergent Model of Quantum Field Theory with Indefinite Metric. II [PDF]

Progress of Theoretical Physics, 1961
A convergent model of quantum field theory with indefinite metric is proposed to the case of an indirect interaction between a physical neutnd scalar field and a physical spinor field, by introducing four kinds of unphysical spinor fidcls which play the roles of the in­ termediate states connecting these two of physical fielcl~. Two of these unphysical
openaire   +2 more sources

High‐Performance n‐Type Organic Thermoelectrics Enabled by Control Over Microstructure, Orientation and Contact Plane in Naphthalenediimide‐Bithiazole‐Copolymer Films

Advanced Functional Materials, EarlyView.
Effective control over the crystalline contact plane and microstructure of a naphthalenediimide‐bithiazole copolymer enables high‐performance n‐type thermoelectrics. While rubbing alignment induces a detrimental edge‐on orientation, subsequent solvent vapor‐induced re‐orientation facilitates a favorable mixed face‐on/edge‐on morphology.
Suhao Wang, Said Oummouch, Huan Wei, Karl Thorley, Adam Marks, Arianna Magni, Xiuming Sun, Alessandra Pistillo, Bruno Schmaltz, Olivier Bardagot, Sabine Ludwigs, Alberto Salleo, Yuanyuan Hu, Martin Brinkmann   +13 more
wiley   +1 more source

Quantum Gravity: Has Spacetime Quantum Properties? [PDF]

, 2009
The conceptual incompatibility between General Relativity and Quantum Mechanics is generally seen as a sufficient motivation for the development of a theory of Quantum Gravity. If - so a typical argumentation - Quantum Mechanics gives a universally valid
Hedrich, Reiner
core  

Toy Models for Quantum Field Theory

, 2018
In order to better understand quantum field theory we present some toy models on finite dimensional Hilbert spaces. We discuss how these models converge to a discrete spacetime version of quantum field theory. We first define toy fermion, boson and mixed fermion-boson free quantum fields.
openaire   +2 more sources

Plasmonic Enhancement of Fluorescence and Protein Dynamics in Living Mammalian Cells

Advanced Materials, EarlyView.
This study demonstrates plasmonic enhancement of the function of fluorescent voltage sensing proteins (genetically encoded voltage indicators, (GEVIs), QuasAr6) in live mammalian cells. Coupling to plasmonic nanoparticles does not just increase fluorescence, but influences the protein photocycle, creating a hybrid sensor with its response speed to ...
Marco Locarno, Qiangrui Dong, Marco Post, Xin Meng, Cristiano Glessi, Nynke Marije Hettema, Nidas Brandsma, Sebbe Blokhuizen, Alejandro Castañeda Garcia, Srividya Ganapathy, Thieme Schmidt, Lars van Roemburg, Bing Xu, Chun‐Ting Cho, Liedewij Laan, Miao‐Ping Chien, Daan Brinks   +16 more
wiley   +1 more source

The exact s-matrices of affine toda field theories [PDF]

, 1990
This thesis is concerned with exact solutions to various massive field theories in 1+1 dimensions.Two approaches are described. The first, abstract and non-lagrangian, relies on the considerable understanding that there now is of massless two-dimensional
Dorey, P.E, Dorey, Patrick Edward
core  

Quantum simulation with gauge fixing: From Ising lattice gauge theory to dynamical flux model

Physical Review Research
Quantum simulation of synthetic dynamic gauge field has attracted much attentions in recent years. There are two traditional ways to simulate gauge theories.
Junsen Wang, Xiangxiang Sun, Wei Zheng
doaj   +1 more source

Quantum dynamics of the effective field theory of the Calogero-Sutherland model

Nuclear Physics B
We consider the known effective field theory of the Calogero-Sutherland model in the thermodynamic limit of large number of particles, obtained from the standard procedure in conformal field theory: the Hilbert space is constructed a priori in terms of ...
Federico L. Bottesi, Guillermo R. Zemba
doaj   +1 more source