Using novel spectral-timing techniques to probe the rapid variability of X-Ray Binaries
X-ray spectral variability is a powerful probe of the relationship between the accretion disc and corona in accreting compact objects. In this thesis, I present the use of variability techniques to disentangle the different variable components of X-ray spectra. By examining correlated variability over a range of timescales, I identify for the first time evidence of intrinsic disc variability on timescales of seconds. I go on to examine, utilising a range of spectral-timing techniques, the role this intrinsic variability might play in driving much of the observed spectral variability in these sources
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