Sanjeev Dhurandhar Colloqm - Indian Institute of Astrophysics
Sanjeev Dhurandhar Colloqm - Indian Institute of Astrophysics
Sanjeev Dhurandhar Colloqm - Indian Institute of Astrophysics
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LISA data analysis at IUCAA<br />
Time-delay Interferometry<br />
• Cancellation <strong>of</strong> laser frequency noise and other systematic<br />
noises – optical bench motion, clock jitter, etc,<br />
SVD, Vinet, Nayak, Pai (2002 – 2003)<br />
Polynomial vectors in delay operators:<br />
Module <strong>of</strong> syzygies – space <strong>of</strong> data combinations cancelling<br />
laser frequency noise – Algebraic geometry<br />
• Current Work: General relativistic model needed to account<br />
for all effects<br />
Sagnac effect, changing arm-lengths, gravitational red-shift etc<br />
SVD, Vinet, Chauvineau (2006 - 2008) LISA simulator<br />
12 th February 2008 <strong>Indian</strong> <strong>Institute</strong> <strong>of</strong> <strong>Astrophysics</strong> Colloquium
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