'Decoherence' presentation slideshows

Classical and Quantum Error Correction

Classical and Quantum Error Correction. Chien Hsing James Wu David Gottesman Andrew Landahl. Outline. Classical and quantum channels Overview of error correction Classical linear codes Quantum codes Conclusions. Two types of channels are discussed:. XOR. 1. 2. Standard addition.

830 views • 58 slides

Chien Hsing James Wu David Gottesman Andrew Landahl

Chien Hsing James Wu David Gottesman Andrew Landahl. Outline. Classical and quantum channels Overview of error correction Classical linear codes Quantum codes Conclusions. Two types of channels are discussed:. XOR. 1. 2. Standard addition. Quantum Channel Models.

721 views • 58 slides

Chien Hsing James Wu David Gottesman Andrew Landahl

Chien Hsing James Wu David Gottesman Andrew Landahl. Outline. Classical and quantum channels Overview of error correction Classical linear codes Quantum codes Conclusions. Two types of channels are discussed:. XOR. 1. 2. Standard addition. Quantum Channel Models.

602 views • 58 slides

Generation and suppression of decoherence in NMR quantum computer

Generation and suppression of decoherence in NMR quantum computer. Mikio Nakahara (Kinki University) in collaboration with Yasushi Kondo, Shogo Tanimura, Sachiko Kitajima, Chikako Uchiyama and Fumiaki Shibata J. Phys. Soc. Jpn., 76, 074002 (2007). Plan of the talk. 1. Introduction

627 views • 47 slides

Quantum Interface between an Electrical Circuit and a Single Atom

Quantum Interface between an Electrical Circuit and a Single Atom. ?????? ????????. ??. ?? LC ?? BAW Q ?? Rabi frequency two-level system ??? harmonic oscillator length( Lamb Dicke limit ) ????????? ????. LC ??. ???????. ?? LC ?????. ???.

547 views • 33 slides

Decoherence in Phase Space for Markovian Quantum Open Systems

491 views • 29 slides

R. Demkowicz-Dobrza?ski 1 , J. Ko?ody?ski 1 , M. Guta 2

Almost all decoherence models lead to shot noise scaling in quantum enhanced metrology the illusion of the Heisenberg scaling. R. Demkowicz-Dobrza?ski 1 , J. Ko?ody?ski 1 , M. Guta 2 1 Faculty of Physics , Warsaw University , Poland

346 views • 21 slides

PCE STAMP

PCE STAMP. Physics & Astronomy UBC Vancouver. Pacific Institute for Theoretical Physics. MISSION of PITP. PITP is an international institute, funded internationally, with an international mission- to bring together groups of high-quality researchers,

586 views • 18 slides

QUANTUM MECHANICS IN THE MACROSCOPIC LIMIT: WHAT DO RECENT EXPERIMENTS TELL US? J. Leggett

QUANTUM MECHANICS IN THE MACROSCOPIC LIMIT: WHAT DO RECENT EXPERIMENTS TELL US? J. Leggett University of Illinois at Urbana-Champaign. ?:. Decoherence DOES NOT reduce (a) to (b)!. Can we tell whether (a) or (b) is correct?

161 views • 14 slides

AHEP group, IFIC-Valencia. Andreu Esteban-Pretel

287 views • 13 slides

Theory of Electrons in Solids Lu J. Sham, University of California San Diego, DMR 0403465

time ?. Theory of Electrons in Solids Lu J. Sham, University of California San Diego, DMR 0403465. Fig. 1 Nuclear bath trajectories. How the electron spin coherence is lost and restored.

204 views • 3 slides