QFTCMPS

"Quantum field theory, the variational principle, and continuous matrix product states"

 Coordinatore GOTTFRIED WILHELM LEIBNIZ UNIVERSITAET HANNOVER 

Spiacenti, non ci sono informazioni su questo coordinatore. Contattare Fabio per maggiori infomrazioni, grazie.

 Nazionalità Coordinatore Germany [DE]
 Totale costo 1˙343˙219 €
 EC contributo 1˙343˙219 €
 Programma FP7-IDEAS-ERC
Specific programme: "Ideas" implementing the Seventh Framework Programme of the European Community for research, technological development and demonstration activities (2007 to 2013)
 Code Call ERC-2011-StG_20101014
 Funding Scheme ERC-SG
 Anno di inizio 2011
 Periodo (anno-mese-giorno) 2011-08-01   -   2016-07-31

 Partecipanti

# participant  country  role  EC contrib. [€] 
1    GOTTFRIED WILHELM LEIBNIZ UNIVERSITAET HANNOVER

 Organization address address: Welfengarten 1
city: HANNOVER
postcode: 30167

contact info
Titolo: Ms.
Nome: Elke
Cognome: Buchholz
Email: send email
Telefono: +49 511 762 19180

DE (HANNOVER) hostInstitution 1˙343˙219.10
2    GOTTFRIED WILHELM LEIBNIZ UNIVERSITAET HANNOVER

 Organization address address: Welfengarten 1
city: HANNOVER
postcode: 30167

contact info
Titolo: Prof.
Nome: Tobias
Cognome: Osborne
Email: send email
Telefono: 4951180000000

DE (HANNOVER) hostInstitution 1˙343˙219.10

Mappa


 Word cloud

Esplora la "nuvola delle parole (Word Cloud) per avere un'idea di massima del progetto.

interacting    variational    quantum    dimensional    continuum    recently    qed    simulate    insights    cavity    class    powerful    theories    theory    theoretical    time    physics    particle    equilibrium    matrix   

 Obiettivo del progetto (Objective)

'Quantum field theories, quantum systems with an infinite number of degrees of freedom, present the most subtle and complex systems in physics. At the same time, the study of quantum field theory has provided us with some of the most powerful theoretical tools to study many particle quantum systems. Many of the major insights in this theory have been obtained using the powerful technology of perturbation theory, whereas a main source of nonperturbative results has been lattice gauge theory. The variational principle has not met with as much systematic success in explaining these systems due to the dearth of good variational wavefunctions.

In condensed matter physics we have recently witnessed tremendous progress, spurred by developments in quantum information theory, in understanding the properties of physical states of strongly interacting many particle quantum systems. This has culminated in the realisation that the physics of low-dimensional systems is well captured by variational classes known as matrix product states, projected entangled-pair states, and the multiscale entanglement renormalisation ansatz. Very recently a continuum generalisation of the matrix product state variational class has been developed which promises to afford, via the variational principle, new insights into the behaviour of strongly interacting quantum field theory.

The purpose of this proposal is to: (a) understand how to use the variational principle to simulate the dynamics, both imaginary and real-time, of (11)- and higher-dimensional quantum field theories within the continuum matrix product state variational class; (b) extend the recent theoretical advances in the field of locally interacting quantum spin systems to study the correlation structure of equilibrium and non-equilibrium quantum fields; and (c) relate the developed formalism to cavity QED and hence develop experimental proposals to simulate strongly interacting quantum field theories with cavity QED systems.'

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