What does it mean that space time is not fundamental?
What does it mean that space time is not fundamental?
Other theories, such as loop quantum gravity, propose that spacetime is not fundamental. Rather, events and the connections between events is. Space and time is ultimately the product of interconnected things happening and causing one another. Causal set theory is similar in this way.
What is 4d Minkowski spacetime?
In mathematical physics, Minkowski space (or Minkowski spacetime) (/mɪŋˈkɔːfski, -ˈkɒf-/) is a combination of three-dimensional Euclidean space and time into a four-dimensional manifold where the spacetime interval between any two events is independent of the inertial frame of reference in which they are recorded.
How does the Minkowski space/time diagram work?
A Minkowski diagram is a two-dimensional graphical depiction of a portion of Minkowski space, usually where space has been curtailed to a single dimension. The units of measurement in these diagrams are taken such that the light cone at an event consists of the lines of slope plus or minus one through that event.
Who is Minkowski?
Hermann Minkowski, (born June 22, 1864, Aleksotas, Russian Empire [now in Kaunas, Lithuania]—died Jan. 12, 1909, Göttingen, Germany), German mathematician who developed the geometrical theory of numbers and who made numerous contributions to number theory, mathematical physics, and the theory of relativity.
What is Minkowski space in classical mechanics?
Minkowski space or spacetime is used in mathematical physics and special relativity. It combines 3-dimensional Euclidean Space and time into a 4-dimensional manifold, where the interval of spacetime that exists between any two events is not dependent on the inertial frame of reference.
Do we live in Minkowski space?
We begin by explaining what “space” and “time” are meaning for us – the 4-dimensional Minkowski space-time, then proceeding to the quantum 4-dimensional Minkowski space-time….We live in the quantum 4-dimensional Minkowski space-time.
| Comments: | 13 pages |
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| Subjects: | History and Philosophy of Physics (physics.hist-ph); High Energy Physics – Phenomenology (hep-ph) |