Photon number statistics uncover the fluctuations in non-equilibrium lattice dynamics

被引：25

作者：

Esposito, Martina ^{[1
]}

Titimbo, Kelvin ^{[1
,2
]}

Zimmermann, Klaus ^{[1
,2
]}

Giusti, Francesca ^{[1
]}

Randi, Francesco ^{[1
]}

Boschetto, Davide ^{[3
]}

Parmigiani, Fulvio ^{[1
,4
]}

Floreanini, Roberto ^{[2
]}

Benatti, Fabio ^{[1
,2
]}

Fausti, Daniele ^{[1
,4
]}

机构：

[1] Univ Trieste, Dipartimento Fis, I-34127 Trieste, Italy

[2] Ist Nazl Fis Nucl, Sez Trieste, I-34014 Trieste, Italy

[3] Univ Paris Saclay, CNRS, ENSTA ParisTech, Ecole Polytech, F-91762 Palaiseau, France

[4] Sincrotrone Trieste SCpA, I-34127 Trieste, Italy

来源：

NATURE COMMUNICATIONS | 2015年 / 6卷

关键词：

PHONON SQUEEZED STATES; COHERENT; EXCITATION; SCATTERING; PHASE; NOISE; FIELD;

D O I：

10.1038/ncomms10249

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Fluctuations of the atomic positions are at the core of a large class of unusual material properties ranging from quantum para-electricity to high temperature superconductivity. Their measurement in solids is the subject of an intense scientific debate focused on seeking a methodology capable of establishing a direct link between the variance of the atomic displacements and experimentally measurable observables. Here we address this issue by means of non-equilibrium optical experiments performed in shot-noise-limited regime. The variance of the time-dependent atomic positions and momenta is directly mapped into the quantum fluctuations of the photon number of the scattered probing light. A fully quantum description of the non-linear interaction between photonic and phononic fields is benchmarked by unveiling the squeezing of thermal phonons in alpha-quartz.

引用

页数：6

共 42 条

[1]

Alicki R., 2007, QUANTUM DYNAMICAL SE, V717

[2]

[Anonymous], THESIS

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