Inflation (a) What is the cosmic epoch of inflation in the early universe? How is this different...

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Physics

Inflation
(a) What is the cosmic epoch of inflation in the early universe?How is this different from the usual expansion of the universe?
(b) What similarities and differences are there betweeninflation and dark energy?

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Solution aThe cosmic epoch of inflation in the early universe are following Radiation Era The radiation era lasted for about 50000 years Planck Epoch First 1043 seconds after the Big Bang No current theory of physics quantum gravity exists GUT Grand Unified Theory Epoch After 1043 seconds temperature fell to 1032 K Quark Epoch Creation of protons and neutrons continued for about 104 seconds Temperature drops below 1013 K and protons and neutrons are no longer produced in pairs Lepton Epoch Ends when the universe is about 100 seconds old During this epoch the leptons See Answer

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