TY  - CONF
AU  - Espriu, D.
AU  - Renau, A.
TI  - Photon propagation in a cold axion condensate
IS  - DESY-PROC-2013-04
CY  - Hamburg
PB  - Verlag Deutsches Elektronen-Synchrotron
M1  - PUBDB-2018-02803
M1  - DESY-PROC-2013-04
SN  - 978-3-935702-83-6 
T2  - DESY-PROC
SP  - 145-151
PY  - 2013
AB  - We discuss some striking properties of photons propagating in a cold axion  condensate oscillating coherently in time with a frequency 1/m<sub>a</sub>. Three effects are discussed in this contribution: (a) due to the time dependence of the background, photons moving in the cold axion background have no definite energies and some momenta are not accessible to them. (b) we investigate the combined influence of a magnetic field and the cold axion background and propose a possible interferometric experiment to detect the latter. (c) if the axion condensate has a space dependence, the photon refraction index is modified in the medium, possibly leading to total reflection at the interface with the ordinary vacuum.
T2  - 9th Patras Workshop on Axions, WIMPs and WISPs
CY  - 24 Jun 2013 - 28 Jun 2013, Mainz (Germany)
Y2  - 24 Jun 2013 - 28 Jun 2013
M2  - Mainz, Germany
KW  - Hypothetisches Teilchen (gnd)
LB  - PUB:(DE-HGF)29 ; PUB:(DE-HGF)8 ; PUB:(DE-HGF)7
DO  - DOI:10.3204/DESY-PROC-2013-04/espriu_domenec
UR  - https://bib-pubdb1.desy.de/record/408350
ER  -