Philip W. Anderson
Nobel laureate who shaped condensed matter physics and emergent phenomena.
He made contributions to localization, antiferromagnetism, symmetry breaking, high-temperature superconductivity, and the philosophy of science through writings on emergent phenomena, and is credited with naming the field of condensed matter physics.
- born
- December 13, 1923, Indianapolis, Indiana
- field
- Theoretical physics
- nationality
- American
- known_for
- Anderson localization, symmetry breaking in particle physics, resonating valence bond theory, naming condensed matter physics
Lore & Background
Anderson grew up in Urbana, Illinois, the son of a plant pathology professor. in 1947 and a Ph.D. His doctoral thesis was on pressure broadening of spectral lines. From 1967 to 1975 he was a professor of theoretical physics at Cambridge. Anderson proposed resonating valence bond theory for high-temperature superconductors, which proved instrumental in the study of spin liquids. He wrote the article 'More is Different' in 1972, emphasizing limitations of reductionism. A 2006 analysis declared him the 'most creative' among ten most cited physicists.
Reader's Guide
Philip Anderson's significance lies in his foundational contributions to condensed matter physics and his influence on particle physics and the philosophy of science. He named the field of condensed matter physics and, through his 1972 essay 'More is Different,' argued for the importance of emergent phenomena against pure reductionism. Anderson's work on spin-glasses, non-s-wave pairing in helium-3, and resonating valence bond theory for high-temperature superconductors further demonstrate his breadth.
Did You Know?
- He named the field of physics now known as condensed matter physics.
- Anderson was a 1st Dan master of the board game Go and received a lifetime achievement award from the Nihon Ki-in in 2007.
- A 2006 statistical analysis declared Anderson the 'most creative' among ten most cited physicists in the world.
Frequently Asked Questions
What is Anderson localization?
Anderson localization is a phenomenon in which wave propagation—such as electron movement through a disordered solid—becomes trapped due to interference effects caused by random scattering. Anderson identified this effect in the 1950s, and it remains a cornerstone of understanding transport in imperfect materials.
What role did Anderson play in high-temperature superconductivity research?
In the 1970s he proposed the resonating valence bond (RVB) theory, suggesting that superconductivity in certain materials could arise from fluctuating patterns of electron pairing rather than conventional phonon-mediated mechanisms. His ideas later became a major theoretical framework for understanding cuprate superconductors.
Why is Philip Anderson considered important beyond a single discovery?
Beyond individual results, he articulated the philosophy that "more is different"—that the behavior of large, complex systems cannot always be reduced to the properties of their individual parts. This framing of emergent phenomena influenced how entire generations of physicists approach condensed matter and related fields.
More in Physicists And Chemists Of The 20Th Century 1-19
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