What is cosmic inflation theory and explain it?
Cosmic inflation is a faster-than-light expansion of the universe that spawned many others. Cosmic inflation solves these problems at a stroke. In its earliest instants, the universe expanded faster than light (light’s speed limit only applies to things within the universe).
What is the theory of Alan Guth?
The theory of cosmic inflation was first proposed in 1980 by Alan Guth, now the Victor F. Weisskopf Professor of Physics at MIT. The theory described how the universe was cooled by the expansion, and how the expansion was slowed by the attractive force of gravity.
What is cosmic theory?
Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future. Cosmologists puzzle over exotic concepts like string theory, dark matter and dark energy and whether there is one universe or many (sometimes called the multiverse).
What did Andrei Linde do?
Andrei Dmitriyevich Linde (Russian: Андре́й Дми́триевич Ли́нде; born March 2, 1948) is a Russian-American theoretical physicist and the Harald Trap Friis Professor of Physics at Stanford University….
| Andrei Linde | |
|---|---|
| Known for | Work on cosmic inflation KKLT mechanism |
| Spouse(s) | Renata Kallosh |
Who proposed cosmic inflation theory?
Physicist Alan Guth
Physicist Alan Guth, the father of cosmic inflation theory, describes emerging ideas about where our universe comes from, what else is out there, and what caused it to exist in the first place.
What causes cosmic inflation?
In our modern conception of cosmic inflation, that period of rapid, accelerated expansion is driven by a new character to join the cosmological cast: something called the inflaton. In this picture, the inflaton is a quantum field that permeates all of space and time.
What was before cosmic inflation?
Before this period of inflation, the entire Universe could have been in causal contact and equilibrate to a common temperature. Widely separated regions today were actually very close together in the early Universe, explaining why photons from these regions have (almost exactly) the same temperature.
What is the Aristotelian universe?
Aristotelian Universe – The Greek philosopher Aristotle, in the 4th Century B.C., established a geocentric universe in which the fixed, spherical Earth is at the center, surrounded by concentric celestial spheres of planets and stars.
How is cosmic inflation related to the multiverse?
The theory of cosmic inflation, then, supports the scenario in which our universe is just one among many parallel universes in a multiverse. As we will see in later sections, some corroborating evidence for such a scenario also arises from work on dark energy, on superstring theory and on quantum theory.
When did Alan Guth come up with cosmic inflation?
Cosmic Inflation. The most widely accepted theory as to how this might have been possible is known as cosmic inflation, which was first proposed in 1980 by the American physicist Alan Guth, developed out of Steven Weinberg’s Electroweak Theory and Grand Unified Theory.
How is cosmic inflation faster than the speed of light?
Cosmic Inflation. Technically, the expansion during this period of inflation (and even the somewhat slower expansion which succeeded it) proceeded faster than the speed of light. To explain how this is possible (the speed of light being supposedly the maximum speed it is possible to travel), an analogy may help.
How did the COBE prove the inflation theory?
In an attempt to prove the inflation theory, the Cosmic Background Explorer (COBE) probe was launched in 1992, and its initial results confirmed almost exactly the amount of variation in the cosmic microwave background radiation that was predicted by inflationary theory.