- Art Gallery -

The cosmological interpretation of quantum mechanics, proposed by Anthony Aguirre and Max Tegmark,[1] is an interpretation of quantum mechanics that applies in the context of eternal inflation, which arguably predicts an infinite three-dimensional space with infinitely many planets and infinitely many copies of any quantum system. According to this interpretation, the wavefunction for a quantum system describes not some imaginary ensemble of possibilities for what the system might be doing, but rather the actual spatial collection of identical copies of the system that exist in our infinite space. Its collapse can be avoided.[2] Moreover, the quantum uncertainty that you experience simply reflects your inability to self-locate in space, i.e., to know which of your infinitely many copies throughout space is the one having your subjective perceptions.

The cosmological interpretation is based on the mathematical theorem that when the same quantum experiment is performed in infinitely many places at once, the result is a quantum superposition of indistinguishable states for all of space, and in each of these states, the fraction of all places where a given outcome occurs equals that given by the Born rule. In this sense, quantum probabilities emerge from classical probabilities.

Cosmologist Alexander Vilenkin has expressed support for this interpretation: "I think this is an important advance. They showed that the mathematics really works out. It kind of clears up the foundations of quantum mechanics."[3]
See also

Quantum fluctuation § Interpretations

References

Aguirre, Anthony; Tegmark, Max (2011-11-03). "Born in an infinite universe: A cosmological interpretation of quantum mechanics". Physical Review D. American Physical Society (APS). 84 (10): 105002. arXiv:1008.1066. Bibcode:2011PhRvD..84j5002A. doi:10.1103/physrevd.84.105002. ISSN 1550-7998. S2CID 17341893.
Moulay, Emmanuel (2014). "Non-collapsing wave functions in an infinite universe". Results in Physics. Elsevier BV. 4: 164–167. doi:10.1016/j.rinp.2014.08.010. ISSN 2211-3797.

Rachel Courtland (2010-08-25). "Infinite doppelgängers may explain quantum probabilities". New Scientist. p. 7. Retrieved 2020-01-31.

External links

Stylised atom with three Bohr model orbits and stylised nucleus.svgPhysics portalEarth-moon.jpgSpace portal

vte

Quantum mechanics
Background

Introduction History
timeline Glossary Classical mechanics Old quantum theory

Fundamentals

Bra–ket notation Casimir effect Coherence Coherent control Complementarity Density matrix Energy level
degenerate levels excited state ground state QED vacuum QCD vacuum Vacuum state Zero-point energy Hamiltonian Heisenberg uncertainty principle Pauli exclusion principle Measurement Observable Operator Probability distribution Quantum Qubit Qutrit Scattering theory Spin Spontaneous parametric down-conversion Symmetry Symmetry breaking
Spontaneous symmetry breaking No-go theorem No-cloning theorem Von Neumann entropy Wave interference Wave function
collapse Universal wavefunction Wave–particle duality
Matter wave Wave propagation Virtual particle

Quantum

quantum coherence annealing decoherence entanglement fluctuation foam levitation noise nonlocality number realm state superposition system tunnelling Quantum vacuum state

Mathematics
Equations

Dirac Klein–Gordon Pauli Rydberg Schrödinger

Formulations

Heisenberg Interaction Matrix mechanics Path integral formulation Phase space Schrödinger

Other

Quantum
algebra calculus
differential stochastic geometry group Q-analog
List

Interpretations

Bayesian Consistent histories Cosmological Copenhagen de Broglie–Bohm Ensemble Hidden variables Many worlds Objective collapse Quantum logic Relational Stochastic Transactional

Experiments

Afshar Bell's inequality Cold Atom Laboratory Davisson–Germer Delayed-choice quantum eraser Double-slit Elitzur–Vaidman Franck–Hertz experiment Leggett–Garg inequality Mach-Zehnder inter. Popper Quantum eraser Quantum suicide and immortality Schrödinger's cat Stern–Gerlach Wheeler's delayed choice

Science

Measurement problem QBism

Quantum

biology chemistry chaos cognition complexity theory computing
Timeline cosmology dynamics economics finance foundations game theory information nanoscience metrology mind optics probability social science spacetime

Technologies

Quantum technology
links Matrix isolation Phase qubit Quantum dot
cellular automaton display laser single-photon source solar cell Quantum well
laser

Extensions

Dirac sea Fractional quantum mechanics Quantum electrodynamics
links Quantum geometry Quantum field theory
links Quantum gravity
links Quantum information science
links Quantum statistical mechanics Relativistic quantum mechanics De Broglie–Bohm theory Stochastic electrodynamics

Related

Quantum mechanics of time travel Textbooks

Physics Encyclopedia

World

Index

Hellenica World - Scientific Library

Retrieved from "http://en.wikipedia.org/"
All text is available under the terms of the GNU Free Documentation License