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SUMMARY:CECAM school: "Ab initio quantum electrodynamics for quantum mater
 ials engineering"
DTSTART;VALUE=DATE:20240415
DTSTAMP:20260407T010646Z
UID:43bcb0f65f104184d6e93de013d8a3e89e847dee7dff90cec910ef77
CATEGORIES:Conferences - Seminars
DESCRIPTION:You can apply to participate and find all the relevant informa
 tion (speakers\, abstracts\, program\,...) on the event website: https://
 www.cecam.org/workshop-details/1294\n\n*** INFO *** : Please notice that f
 or the schools\, the registration is mandatory and the available spaces
  are limited!\n\nRegistration deadline: 15th March 2024\n\nDescription\nQu
 antum electrodynamics (QED) is the detailed theory of how charged particl
 es interact via the creation and annihilation of photons\, the gauge boson
 s of the electromagnetic force. However\, in condensed-matter physics and 
 electronic structure theory usually only the interaction arising from the 
 longitudinal part of the photon field\, the ubiquitous Coulomb interaction
 \, is kept [1]. In contrast\, in quantum optics the transverse photons are
  the focus whereas the Coulomb-interacting matter is reduced to a few effe
 ctive levels [2]. Thus the vast majority of QED effects are then considere
 d as perturbations on top of the corresponding reduced descriptions. Howev
 er\, in the 1990s and 2000s mathematicians and mathematical physicists hav
 e made great progress in formulating low-energy QED as a non-perturbative
  quantum theory of light and matter [3]. The resulting QED theory allows 
 for a full self-consistent solution of coupled light-matter systems from f
 irst principles\, i.e.\, only fundamental physical parameters are needed. 
 Since the corresponding Schrödinger-type equation of light and matter is 
 very different from the common quantum-mechanical many-body Schrödinger e
 quation\, novel ab initio methods have been developed to deal with low-ene
 rgy QED and the emerging hybrid light-matter states [4\,5].\nHand in hand 
 with these theoretical developments\, experimental results in polaritonic
  chemistry and polaritonic materials science\, where the coupling to optic
 al cavities can influence and control the properties of molecules and soli
 ds\, have demonstrated that non-perturbative QED effects can also manifest
  in low-energy physics [6\,7\,8]. This is even true at thermal equilibrium
 .\nThis CECAM school is intended to provide an exhaustive introduction to 
 this novel and exciting field of research at the interface of (quantum) op
 tics\, quantum information\, (quantum) statistical physics\, (quantum) che
 mistry and condensed-matter physics. Leading experts at forefront of ab in
 itio QED development will be in charge of the dissemination. The scope of 
 this CECAM school is unique\, it seamlessly combines lectures grounded in 
 mathematical physics (on low-energy QED and foundations of ab initio QED)\
 , quantum chemistry and condensed-matter physics (on the development\, imp
 lementation and application of ab initio QED methods) and quantum optics (
 on macroscopic QED and quantum-optical methods). While commonly schools ar
 e focused on a specific aspect of coupled light-matter systems\, e.g.\, th
 e transverse photons in quantum optics or the effect of the Coulomb intera
 ction in electronic-structure theory\, this school provides a holistic pe
 rspective of light and matter and highlights novel effects and synergies 
 that arise between so far distinct fields of research. Indeed\, the school
  addresses quantum materials in the broadest possible sense.\n\n\n\nRefere
 nces\n[1] M. Ruggenthaler\, N. Tancogne-Dejean\, J. Flick\, H. Appel\, A. 
 Rubio\, Nat. Rev. Chem.\, 2\, 0118 (2018)\n[2] G. Grynberg\, A. Aspect\, 
 C. Fabre\, C. Cohen-Tannoudji\, Introduction to Quantum Optics\, 2010\n[3]
  H. Spohn\, Dynamics of Charged Particles and their Radiation Field\, 2004
 \n[4] A. Mandal\, M. Taylor\, B. Weight\, E. Koessler\, X. Li\, P. Huo\, C
 hem. Rev.\, 123\, 9786-9879 (2023)\n[5] M. Ruggenthaler\, D. Sidler\, A. 
 Rubio\, Chem. Rev.\, 123\, 11191-11229 (2023)\n[6] T. Ebbesen\, Acc. Chem
 . Res.\, 49\, 2403-2412 (2016)\n[7] F. Garcia-Vidal\, C. Ciuti\, T. Ebbes
 en\, Science\, 373\, (2021)\n[8] F. Schlawin\, D. Kennes\, M. Sentef\, Ap
 plied Physics Reviews\, 9\, (2022)
LOCATION:BCH 2103 https://plan.epfl.ch/?room==BCH%202103
STATUS:CONFIRMED
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