alain aspect albert einstein alice and bob arnold sommerfeld bell state bell test experiments bohm interpretation boris podolsky bra-ket notation classical mechanics classical physics consistent histories contradiction copenhagen interpretation correlation david bohm david john candlin dichotomy dirac equation double-slit experiment eavesdropping ehrenfest theorem elitzur-vaidman bomb-tester ensemble interpretation eugene wigner faster-than-light ghz experiment ghirardi-rimini-weber theory heisenberg picture hidden variable theory hilbert space inequality information institute for advanced study interaction picture interference interpretation of quantum mechanics john stewart bell john von neumann karl popper light cone local hidden variable theory loopholes in bell test experiments louis de broglie many-worlds interpretation matrix mechanics max born max planck measurement in quantum mechanics measurement problem mesoscopic scale momentum nathan rosen niels bohr no cloning theorem nonlocality old quantum theory parallel computing pascual jordan path integral formulation paul dirac pauli equation pauli exclusion principle pauli matrices penrose interpretation philosophical realism philosophy of information philosophy of physics photon photon polarization physical paradox polarization pondicherry interpretation principle of locality quantum zeno effect quantum cryptography quantum decoherence quantum entanglement quantum field theory quantum gravity quantum information quantum logic quantum mechanics quantum pseudo-telepathy quantum state quantum superposition quantum teleportation quantum tunnelling qubit randomness relational quantum mechanics richard feynman roger penrose satyendra nath bose spacetime special relativity speed of light synchronicity tensor product theory of everything thought experiment transactional interpretation uncertainty principle wave function wave function collapse werner heisenberg wilhelm wien wolfgang pauli