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TOPOLOGICAL DEFECTS RICHARD BATTYE JODRELL BANK OBSERVATORY UNIVERSITY OF MANCHESTER - AN ADDITIONAL SOURCE OF B-MODE FLUCTUATIONS ?

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Presentation on theme: "TOPOLOGICAL DEFECTS RICHARD BATTYE JODRELL BANK OBSERVATORY UNIVERSITY OF MANCHESTER - AN ADDITIONAL SOURCE OF B-MODE FLUCTUATIONS ?"— Presentation transcript:

1 TOPOLOGICAL DEFECTS RICHARD BATTYE JODRELL BANK OBSERVATORY UNIVERSITY OF MANCHESTER - AN ADDITIONAL SOURCE OF B-MODE FLUCTUATIONS ?

2 NOT THE PRIMARY SOURCE STRINGS INFLATION

3 WELL MOTIVATED MODELS OF INFLATION PREDICT STRINGS (SUSY) HYBRID INFLATION BRANE INFLATION BOTH NATURALLY PREDICT G  ~ 10 -(6-7) F-TERM INFLATION D-TERM INFLATION STRINGS FORM DURING WATERFALL TRANSITION MOTIVATED BY STRING THEORY

4 CURRENT STATUS (Battye, Garbrecht & Moss 2006) DEGENERACY BETWEEN n S - G 

5 B-MODE SPECTRA LENSING STRINGS WITH G  x10 -7 r=0.1 r=0.01 r=0.001

6 ALTERNATIVE WINDOW ON GUT SCALE EG EG Eg. SUSY F-TERM INFLATION


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