Add to ORKGHigh-redshift absorption systems detected in the optical spectra of quasars provide a powerful toolfor constraining possible spatial and temporal variations of physical “constants” in the Universe. It isdemonstrated that high sensitivity to the variati
Nine quasar absorption spectra at 21-cm and ultraviolet (UV) rest-frame wavelengths are used to esti...
Theories unifying gravity with other interactions suggest spatial and temporal variation of fundamen...
Absorption lines seen in the spectra of distant QSOs allow us to probe the space and time evolution ...
Theories unifying gravity and other interactions suggest the possibility of spatial and temporal var...
Comparison of quasar absorption line spectra with laboratory spectra provides the best probe for var...
Recent detections of high-redshift absorption by both atomic hydrogen and molecular gas in the radio...
Recent detections of high-redshift absorption by both atomic hydrogen and molecular gas in the radio...
A fundamental physical constant is a measure and a property of the Universe, believed to be unchangi...
Theories unifying gravity and other interactions suggest the possibility of spatial and temporal var...
We report a new stringent limit relating to the space-time variation in the fine-structure constant ...
An order of magnitude sensitivity gain is described for using quasar spectra to investigate possible...
Current theories that seek to unify gravity with the other fundamental interactions suggest that spa...
International audienceWe summarize the attempts by our group and others to derive constraints on var...
Multidimensional cosmologies allow for variations of fundamental physical constants over the course ...
The issue of the possibility of a temporal variation of the fundamental constants has been put high ...
Nine quasar absorption spectra at 21-cm and ultraviolet (UV) rest-frame wavelengths are used to esti...
Theories unifying gravity with other interactions suggest spatial and temporal variation of fundamen...
Absorption lines seen in the spectra of distant QSOs allow us to probe the space and time evolution ...
Theories unifying gravity and other interactions suggest the possibility of spatial and temporal var...
Comparison of quasar absorption line spectra with laboratory spectra provides the best probe for var...
Recent detections of high-redshift absorption by both atomic hydrogen and molecular gas in the radio...
Recent detections of high-redshift absorption by both atomic hydrogen and molecular gas in the radio...
A fundamental physical constant is a measure and a property of the Universe, believed to be unchangi...
Theories unifying gravity and other interactions suggest the possibility of spatial and temporal var...
We report a new stringent limit relating to the space-time variation in the fine-structure constant ...
An order of magnitude sensitivity gain is described for using quasar spectra to investigate possible...
Current theories that seek to unify gravity with the other fundamental interactions suggest that spa...
International audienceWe summarize the attempts by our group and others to derive constraints on var...
Multidimensional cosmologies allow for variations of fundamental physical constants over the course ...
The issue of the possibility of a temporal variation of the fundamental constants has been put high ...
Nine quasar absorption spectra at 21-cm and ultraviolet (UV) rest-frame wavelengths are used to esti...
Theories unifying gravity with other interactions suggest spatial and temporal variation of fundamen...
Absorption lines seen in the spectra of distant QSOs allow us to probe the space and time evolution ...