Journal Article

PUBDB-2015-02104

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Interferometric Phase Detection at X-Ray Energies via Fano Resonance Control

Heeg, K. P. (Corresponding author)Extern* ; Ott, C. ; Schumacher, D.>Extern* ; Wille, H.-C.DESY* ; Röhlsberger, R.DESY* ; Pfeifer, T.>Extern* ; Evers, J.>Extern*

2015
APS College Park, Md.

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Please use a persistent id in citations: doi:10.1103/PhysRevLett.114.207401

Abstract: Modern x-ray light sources promise access to structure and dynamics of matter in largely unexplored spectral regions. However, the desired information is encoded in the light intensity and phase, whereas detectors register only the intensity. This phase problem is ubiquitous in crystallography and imaging and impedes the exploration of quantum effects at x-ray energies. Here, we demonstrate phase-sensitive measurements characterizing the quantum state of a nuclear two-level system at hard x-ray energies. The nuclei are initially prepared in a superposition state. Subsequently, the relative phase of this superposition is interferometrically reconstructed from the emitted x rays. Our results form a first step towards x-ray quantum state tomography and provide new avenues for structure determination and precision metrology via x-ray Fano interference.

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Contributing Institute(s):

1. Experimentebetreuung PETRA III (FS-PE)

Research Program(s):

1. 6212 - Quantum Condensed Matter: Magnetism, Superconductivity (POF3-621) (POF3-621)
2. 6G3 - PETRA III (POF3-622) (POF3-622)

Experiment(s):

1. PETRA Beamline P01 (PETRA III)

Appears in the scientific report 2015

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Database coverage:
; ; Current Contents - Physical, Chemical and Earth Sciences ; IF >= 5 ; JCR ; NCBI Molecular Biology Database ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Thomson Reuters Master Journal List ; Web of Science Core Collection

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