A comparative timeline of Quantum Mechanics & Wave Functions, highlighting global contributions from ancient atomic theories to modern quantum technologies, including Eastern and Western pioneers.
Kanada founds the Vaisheshika school in India, positing indivisible particles (anu) that combine to form matter, an early precursor to atomic theory. #philosophy #science )
Greek philosopher Democritus develops an atomic theory of indivisible atoms moving in void, influencing later scientific thought. #philosophy #science
Ibn al-Haytham (Alhazen) publishes the Book of Optics, pioneering experimental physics and theories of light and vision, laying groundwork for wave optics. #science #optics
Max Planck introduces the quantum of action (h) to explain blackbody radiation, marking the birth of quantum mechanics. #physics #quantum
Albert Einstein explains the photoelectric effect using light quanta (photons), providing early evidence for quantum theory. #physics #quantum
Niels Bohr proposes a model of the hydrogen atom with quantized electron orbits, explaining spectral lines. #physics #quantum
Arnold Sommerfeld extends Bohr's model with elliptical orbits and relativistic corrections, improving predictions. #physics #quantum
Otto Stern and Walther Gerlach demonstrate spatial quantization of angular momentum, validating quantum theory. #physics #experiment
Louis de Broglie proposes that electrons have wave-like properties, quantified by the de Broglie wavelength. #physics #wave
Satyendra Nath Bose sends his paper on quantum statistics to Einstein; they develop Bose-Einstein statistics for particles now called bosons. #physics #india
Werner Heisenberg develops matrix mechanics, the first complete formulation of quantum mechanics. #physics #quantum
Wolfgang Pauli formulates the exclusion principle, stating that no two electrons can have the same quantum state. #physics #quantum
Erwin Schrödinger publishes the wave equation, describing the quantum state as a wave function. #physics #quantum
Max Born interprets the wave function squared as a probability density, providing the statistical interpretation. #physics #quantum
Werner Heisenberg states that position and momentum cannot both be known precisely, a fundamental limit. #physics #quantum
Niels Bohr and Heisenberg formulate the Copenhagen interpretation, emphasizing wavefunction collapse and complementarity. #physics #interpretation
Paul Dirac derives a relativistic wave equation for electrons, predicting antimatter. #physics #quantum
C. V. Raman discovers the inelastic scattering of light, later explained via quantum mechanics. #physics #india
John von Neumann publishes 'Mathematical Foundations of Quantum Mechanics', formalizing the theory as operator algebra. #mathematics #physics
Einstein, Podolsky, and Rosen argue that quantum mechanics is incomplete, introducing entanglement. #physics #quantum
Erwin Schrödinger proposes a thought experiment highlighting quantum superposition and measurement. #physics #quantum
Hideki Yukawa proposes the pion as the mediator of strong nuclear force, predicting a new particle. #physics #japan
Sin-Itiro Tomonaga develops a relativistic quantum field theory, independently of Schwinger and Feynman. #physics #japan
Willis Lamb and Robert Retherford measure the Lamb shift, leading to the development of quantum electrodynamics. #physics #QED
Richard Feynman introduces diagrams to represent particle interactions in quantum field theory. #physics #visualization
David Bohm develops a deterministic interpretation of quantum mechanics via pilot waves. #physics #interpretation
Chien-Shiung Wu experimentally disproves parity conservation in weak interactions, using quantum mechanics. #physics #china
John Bell proves that local hidden variable theories cannot reproduce all quantum predictions, leading to Bell inequalities. #physics #quantum
Alain Aspect performs experiments confirming violation of Bell inequalities, supporting quantum nonlocality. #physics #experiment
David Deutsch formulates the quantum Turing machine, founding quantum computing. #computing #physics
Peter Shor develops a quantum algorithm for integer factorization in polynomial time, demonstrating quantum supremacy potential. #computing #quantum
Chris Monroe and David Wineland demonstrate a controlled-NOT gate with trapped ions, a key step for quantum computing. #computing #experiment
Anton Zeilinger's group teleports a quantum state between photons, confirming quantum teleportation. #physics #experiment
Experimental demonstration of entanglement swapping, extending quantum networking. #physics #quantum
Researchers create a superposition state in a molecule, pushing quantum boundaries. #physics #quantum
Experiments close the detection loophole and locality loophole simultaneously in Bell tests. #physics #experiment
China launches the Micius satellite, enabling quantum key distribution over long distances. #china #quantum
Google's Sycamore processor performs a calculation in 200 seconds that would take a supercomputer 10,000 years. #computing #quantum
Alain Aspect, John Clauser, and Anton Zeilinger win the Nobel Prize for experiments on Bell inequalities and quantum information. #physics #nobel