scholarly journals From coherent collective excitation to Rydberg blockade on an atom chip

2018 ◽  
Vol 98 (6) ◽  
Author(s):  
Julius de Hond ◽  
Rick van Bijnen ◽  
S. J. J. M. F. Kokkelmans ◽  
R. J. C. Spreeuw ◽  
H. B. van Linden van den Heuvell ◽  
...  
Keyword(s):  
Collective Excitation ◽  
Atom Chip ◽  
Rydberg Blockade

scholarly journals Observation of collective excitation of two individual atoms in the Rydberg blockade regime

2009 ◽  
Vol 5 (2) ◽  
pp. 115-118 ◽  
Author(s):  
Alpha Gaëtan ◽  
Yevhen Miroshnychenko ◽  
Tatjana Wilk ◽  
Amodsen Chotia ◽  
Matthieu Viteau ◽  
...  
Keyword(s):  
Collective Excitation ◽  
Rydberg Blockade

Infidelity Induced by Ground-Rydberg Decoherence of the Control Qubit in a Two-Qubit Rydberg-Blockade Gate

2021 ◽  
Vol 15 (5) ◽  
Author(s):  
Yangyang Liu ◽  
Yuan Sun ◽  
Zhuo Fu ◽  
Peng Xu ◽  
Xin Wang ◽  
...  
Keyword(s):  
Control Qubit ◽  
Rydberg Blockade

Dirac Surface Plasmons in Photoexcited Bismuth Telluride Nanowires : Optical Pump-Terahertz Probe Spectroscopy

Nanoscale ◽  
2021 ◽  
Author(s):  
Mithun K P ◽  
Srabani Kar ◽  
Abinash Kumar ◽  
Victor Suvisesha Muthu Dharmaraj ◽  
Ravishankar Narayanan ◽  
...  
Keyword(s):  
Surface Plasmons ◽  
Bismuth Telluride ◽  
Topological Insulators ◽  
Collective Excitation ◽  
Optical Pump ◽  
Time Resolved ◽  
Mid Infrared ◽  
Plasmonic Materials ◽  
Probe Spectroscopy

Collective excitation of Dirac plasmons in graphene and topological insulators have opened new possibilities of tunable plasmonic materials ranging from THz to mid-infrared regions. Using time resolved Optical Pump -...

scholarly journals Superfluid Phonons in Neutron Star Core

Universe ◽  
2021 ◽  
Vol 7 (1) ◽  
pp. 16
Author(s):  
Marcello Baldo
Keyword(s):  
Neutron Star ◽  
Inner Core ◽  
Mutual Influence ◽  
Collective Excitation ◽  
Neutron Matter ◽  
Superfluid Phase ◽  
S Wave ◽  
Spectral Functions ◽  
Open Problems ◽  
Linear Spectrum

In neutron stars the nuclear asymmetric matter is expected to undergo phase transitions to a superfluid state. According to simple estimates, neutron matter in the inner crust and just below should be in the s-wave superfluid phase, corresponding to the neutron-neutron 1S0 channel. At higher density in the core also the proton component should be superfluid, while in the inner core the neutron matter can be in the 3P2 superfluid phase. Superluidity is believed to be at the basis of the glitches phenomenon and to play a decisive influence on many processes like transport, neutrino emission and cooling, and so on. One of the peculiarity of the superfluid phase is the presence of characteristic collective excitation, the so called ’phonons’, that correspond to smooth modulations of the order parameter and display a linear spectrum at low enough momentum. This paper is a brief review of the different phonons that can appear in Neutron Star superfuid matter and their role in several dynamical processes. Particular emphasis is put on the spectral functions of the different components, that is neutron, protons and electrons, which reveal their mutual influence. The open problems are discussed and indications on the work that remain to be done are given.

scholarly journals Nuclear Level Density Parameters ofPb203-209andBi206-210Deformed Target Isotopes Used on Accelerator-Driven Systems in Collective Excitation Modes

2012 ◽  
Vol 2012 ◽  
pp. 1-9 ◽  
Author(s):  
Şeref Okuducu ◽  
Nisa N. Aktı ◽  
Sabahattin Akbaş ◽  
M. Orhan Kansu
Keyword(s):  
Collective Excitation ◽  
Level Density ◽  
Neutron Resonance ◽  
Nuclear Level Density ◽  
S Wave ◽  
Nuclear Level ◽  
Driven Systems ◽  
Resonance Data ◽  
Accelerator Driven Systems ◽  
Good Agreement

The nuclear level density parameters of some deformed isotopes of target nuclei (Pb, Bi) used on the accelerator-driven subcritical systems (ADSs) have been calculated taking into consideration different collective excitation modes of observed nuclear spectra near the neutron binding energy. The method used in the present work assumes equidistant spacing of the collective coupled state bands of the considered isotopes. The present calculated results for different collective excitation bands have been compared with the compiled values from the literature for s-wave neutron resonance data, and good agreement was found.

scholarly journals Atom chip for BEC interferometry

2010 ◽  
Vol 43 (5) ◽  
pp. 051003 ◽  
Author(s):  
R J Sewell ◽  
J Dingjan ◽  
F Baumgärtner ◽  
I Llorente-García ◽  
S Eriksson ◽  
...  
Keyword(s):  
Atom Chip

scholarly journals A single-atom detector integrated on an atom chip: fabrication, characterization and application

2010 ◽  
Vol 12 (9) ◽  
pp. 095005 ◽  
Author(s):  
D Heine ◽  
W Rohringer ◽  
D Fischer ◽  
M Wilzbach ◽  
T Raub ◽  
...  
Keyword(s):  
Single Atom ◽  
Atom Chip ◽  
Chip Fabrication

scholarly journals Rydberg blockade in a hot atomic beam

2017 ◽  
Vol 95 (4) ◽  
Author(s):  
S. Yoshida ◽  
J. Burgdörfer ◽  
X. Zhang ◽  
F. B. Dunning
Keyword(s):  
Atomic Beam ◽  
Rydberg Blockade

scholarly journals Single-Photon Interference due to Motion in an Atomic Collective Excitation

2017 ◽  
Vol 118 (25) ◽  
Author(s):  
D. J. Whiting ◽  
N. Šibalić ◽  
J. Keaveney ◽  
C. S. Adams ◽  
I. G. Hughes
Keyword(s):  
Single Photon ◽  
Collective Excitation
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