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Publikováno v:
Ultraschall in der Medizin - European Journal of Ultrasound. 35:246-252
Introduction: Prolonged heterogeneous liver enhancement (PHLE) is a rare phenomenon that is similar to the ultrasound findings of portal venous gas. The purpose of this report is to describe the phenomenon of PHLE after the injection of the ultrasoun
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6b9f9d0c69066d5b0a44862030e86a3d
https://doi.org/10.1055/s-0033-1350202
https://doi.org/10.1055/s-0033-1350202
Autor:
G Schrade, O V Man’ko
Publikováno v:
Physica Scripta. 58:228-234
For two-mode squeezed light with Gaussian density matrix, the photon distribution function is found explicitly and expressed in terms of four-variable (for mixed state) and two-variable (for pure state) Hermite polynomials. Generating functions for t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e6d1b6384c808d2ba156c1704e9ff051
https://doi.org/10.1088/0031-8949/58/3/006
https://doi.org/10.1088/0031-8949/58/3/006
Publikováno v:
Physics World. 10:41-46
Quantum theory is undeniably one of the most powerful and successful theories in physics. For most of this century physicists have been using quantum theory to predict and explain the behaviour of light and matter in an amazing range of experiments a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b9d7e2442535f944ae22c06d6d69fdf8
https://doi.org/10.1088/2058-7058/10/11/31
https://doi.org/10.1088/2058-7058/10/11/31
Autor:
Olga V. Man’ko, G. Schrade
Publikováno v:
Journal of Russian Laser Research. 18:561-581
for two-mode squeezed coherent states, the photon distribution function is expressed in terms of both four-variable and two-variable Hermite polynomials depending on two squeezing parameters, the relative phase between the two oscillators, their “s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c2adc54d96f3fe83119a88341354186
https://doi.org/10.1007/bf03380175
https://doi.org/10.1007/bf03380175
Publikováno v:
Physics Letters A. 230:269-275
We consider the electromagnetic field in a cavity when one of its mirrors can move along a given trajectory. Within a path-integral approach we calculate the Q-function of the electromagnetic field for individual modes inside the cavity and study the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d14406b6f38669c0cf5ca62ef075264
https://doi.org/10.1016/s0375-9601(97)00259-4
https://doi.org/10.1016/s0375-9601(97)00259-4
Publikováno v:
Physical Review Letters. 77:2198-2201
We reconstruct the density operator of the center-of-mass motion of an ion stored in a Paul trap by mapping the dynamics of the motion onto the internal dynamics of the ion. Our technique takes into account the explicit time dependence of the trap po
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ce9dfeca7c934089d670e0b27a395d18
https://doi.org/10.1103/physrevlett.77.2198
https://doi.org/10.1103/physrevlett.77.2198
Publikováno v:
Quantum and Semiclassical Optics: Journal of the European Optical Society Part B. 7:307-325
The authors review the theory of the harmonic oscillator with time-dependent frequency by means of an approach based on an operator constant of the motion. With the help of this operator constant we define the ground state, the excited states and a c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::607789502642eee21aeff862771019c5
https://doi.org/10.1088/1355-5111/7/3/009
https://doi.org/10.1088/1355-5111/7/3/009
We investigate the general case of the photon distribution of a two-mode squeezed vacuum and show that the distribution of photons among the two modes depends on four parameters: two squeezing parameters, the relative phase between the two oscillator
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f6b12653963935793d921e71badb298
Autor:
W. Gauß, M. A. Kerber, S. Günther, H. Krüger, J. Kronenbitter, G. E. Siegloch, O. Lutz, M. Schüle, A. R. Haase, D. Kessler, P. G. Schrade, A. Nolle
Publikováno v:
Zeitschrift für Naturforschung A. 33:934-939
NMR signals of 7Li, 23Na, 35Cl, 39K, 79Br, 87Rb and 127I have been measured in various alkali and halogen salt powders relative to well defined aqueous solutions. With the known shielding constants of some of these solutions the nuclear magnetic shie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29c34d4dce314c5615e67eda4682571f
https://doi.org/10.1515/zna-1978-0811
https://doi.org/10.1515/zna-1978-0811