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American physicist, researcher, investor, and businessman

Phil Casey
BornPhilip A. Casey
1982 (age 42–43)
Education
Occupation(s)Physicist, researcher, investor, businessman
Known for
Scientific career
Fields
Institutions
ThesisHidden Fermi Liquid: Self-Consistent Theory for the Normal State of High-Tc Superconductors (2010)
Doctoral advisorPhilip W. Anderson

Philip A. Casey (1982) is an American physicist, researcher, investor, and businessman. At Princeton University, Casey made fundamental contributions to condensed matter physics, quantum many-body physics, strongly correlated materials, and high-temperature superconductivity. His contributions are at the intersection of theoretical physics, experimental physics, and phenomenology.

Princeton University states that Casey, "discovered a new phase of matter called a Hidden Fermi Liquid." Following his discovery, Casey co-authored a series of research articles on the topic with Nobel Prize winner Philip W. Anderson. Casey and Anderson's articles have been published in peer-reviewed journals, including Nature, the American Physical Society (APS), and the Institute of Physics (IOP). Princeton also states that, " established its theoretical foundations, inspired by the 2400-year-old concept of Plato's Allegory of the Cave. In the spirit of Occam's razor, they also demonstrated consistency of their theory with 20+ years of experimental data."

According to the American Physical Society, Casey and Anderson's contributions are, "a leap forward in our understanding" of "a formidable task at the heart of modern condensed-matter physics." Nature described Casey and Anderson's contributions as, "very important in future studies of novel materials."

Anderson was the "most creative" of the ten most cited physicists in the world. He has been referred to as, "easily the leading figure in condensed matter physics in the second half of the 20th century." Anderson was also, "responsible for naming the prominent and vibrant field of physics that is now known as condensed matter physics." Before Anderson passed away in 2020, Anderson referred to Casey's discovery of the Hidden Fermi Liquid and his contributions to physics as "invaluable".

After Princeton, at Stanford University, Wells Fargo, and other financial institutions, Casey has made important contributions to institutional investors and limited partners (LPs), including endowments, foundations, pension funds, and sovereign wealth funds. His contributions have been at the intersection of institutional investors, limited partners (LPs), and technology platforms.

As has been widely reported, including by The Wall Street Journal, The Financial Times, and Reuters, Wells Fargo acquired the company Analytic Investors. After Princeton, Casey was a member of Analytic's investment team and joined Wells Fargo at the time of the acquisition. When acquired by the bank, Analytic managed $15 billion in assets under management for institutional investors, according to news reports.

The Wall Street Journal and Institutional Investor reported that Wells Fargo acquired the company to "bolster the bank's asset management unit" by giving the bank "instant access to ... one of the fastest-growing investment categories in finance." The Financial Times reported that Wells Fargo acquired the company to, "to expand its quantitative investment capabilities" and "to take the fusion between quantitative techniques and fundamental analysis to the next level, to explore how big data and machine learning can translate into real value." Accordingly, Casey's responsibilities included conceptualizing, researching, and developing the company's technology platforms and research initiatives.

Education

Physics · Hidden Fermi Liquid

At Princeton University in the Department of Physics, Casey completed a PhD in 2010. Nobel laureate Philip W. Anderson was his PhD advisor. Nobel Prize winners Jim Peebles, Duncan Haldane, and Philip Anderson were on Casey's PhD committee.

Anderson has been found to be the "most creative" among the ten most cited physicists in the world. Furthermore, he has been called, "easily the leading figure in condensed matter physics in the second half of the 20th century." While at the University of Cambridge and Bell Laboratories, Anderson was, "responsible for naming the prominent and vibrant field of physics that is now known as condensed matter physics."

Prior to Anderson passing away in 2020, Casey was his last PhD student. Anderson has referred to Casey's discovery of the Hidden Fermi Liquid and his contributions to physics as "invaluable".

Casey's thesis was titled, "Hidden Fermi Liquid: Self-consistent Theory for the Normal State of High-Tc Superconductors." Casey's thesis research was published in a series of peer-reviewed research articles in Nature, Physical Review Letters, Physical Review, and other scientific journals.

Business · Finance · Investments

Casey holds the Chartered Financial Analyst (CFA) and Chartered Alternative Investment Analyst (CAIA) professional designations. At Stanford University within Stanford Graduate School of Business, Casey was a senior researcher focused on institutional investors and limited partners (LPs). These include endowments, foundations, pension funds, banks, insurers, and sovereign wealth funds. More specifically, he focused on the intersection of institutional investors, limited partners (LPs), and technology platforms.

Career

Princeton University · Department of Physics

Further information: Princeton University Further information: Princeton University Department of Physics

At Princeton, Casey discovered, developed, and generalized the Hidden Fermi Liquid (HFL). According to the APS and Nature, his research and peer-reviewed scientific publications on the HFL span areas of theoretical and experimental physics, as well as phenomenology. His fundamental contributions impact several interconnected fields, including condensed matter physics, quantum many-body physics, strongly correlated materials, high-Tc superconductivity, solid-state physics, non-Fermi liquids, and strange metals. Princeton states that Casey, "discovered a new phase of matter called a Hidden Fermi Liquid". Together with Nobel Prize winner P.W. Anderson, Casey subsequently co-authored a series of research articles regarding the HFL. Casey and Anderson's peer-reviewed research articles on the HFL have been published in Nature, Physical Review Letters, Physical Review, and other scientific journals.

The APS states, "Philip Casey and Philip Anderson of Princeton University generalize the hidden Fermi-liquid theory, which they developed in their earlier work, to provide a self-consistent description of the strange metal state." The APS also states, "Casey and Anderson's idea is based on the ansatz that the strange metal phase of the cuprates is described by an ordinary, well-understood Fermi-liquid theory that exists, but which is hidden in an unphysical Hilbert space (an analog of a Platonic world). In this picture, projecting the familiar Fermi liquid back into the physical world (i.e., making a measurement) converts the Fermi liquid into the experimentally observed strangeness." The APS adds, Casey and Anderson's research is, "a leap forward in our understanding" of "a formidable task at the heart of modern condensed-matter physics. Princeton states, " established its theoretical foundations, inspired by the 2400-year-old concept of Plato's Allegory of the Cave. In the spirit of Occam's razor, they also demonstrated consistency of their theory with 20+ years of experimental data."

According to Nature, "Philip Casey et al. provide experimental and theoretical evidence that the electron breaks up ... leaving no vestige of the original particle." That is, Nature states, "the electron shatters." Nature adds, "The authors describe the latest developments in ... an experimental technique for studying electronic excitations in solids, and present new ideas in the theoretical description ... that cannot be described within the Fermi-liquid framework. Both of these could be very important in future studies of novel materials." Casey and Anderson have also presented their peer-reviewed publications to the physics community.

In short, Casey and Anderson's Hidden Fermi Liquid (HFL) is a formalism for dealing directly with the effects of the Gutzwiller projection implicit in the t–J model which is widely believed to underlie the phenomenology of high-Tc superconductors. Namely, the HFL is an effective low-energy theory that seeks to directly account for the consequences of Gutzwiller projection. More specifically, that a true Bardeen–Cooper–Schrieffer condensation from a Fermi liquid state takes place, but in the unphysical Hilbert space prior to projection. The theory which results upon projection does not follow conventional rules of diagram theory and in fact in the normal state is a Z = 0 non-Fermi liquid.

The APS states, " theory offers a natural explanation of a variety of spectroscopic and transport experiments." Casey and Anderson's HFL successfully describes these experiments using only one main assumption: that the Hubbard energy, U, of excitations into doubly occupied Wannier orbitals on a particular site is large. Antibound states, representing real double occupancy, are thus prohibited.

Wells Fargo · Wells Fargo Asset Management (WFAM)

Further information: Wells Fargo

The Wall Street Journal, The Financial Times, Reuters, Institutional Investor, Pensions & Investments, and other news organizations have reported that Wells Fargo acquired the company Analytic Investors. Following his time at Princeton, Casey was a member of the investment team at Analytic and he joined Wells Fargo when the bank bought the company.

Following the acquisition, Analytic became part of Wells Fargo Asset Management (WFAM), Wells Fargo's global asset management division with $481 billion in assets under management. Analytic reportedly managed $15 billion in assets under management on behalf of institutional investors at the time of the acquisition.

As reported by the Financial Times and Institutional Investor, Analytic managed a variety of innovative, technology-driven investment strategies, including long/short, absolute return, market neutral, and derivatives strategies.

According to The Wall Street Journal and Institutional Investor, Wells Fargo bought Analytic to "bolster the bank's asset management unit" by giving the bank "instant access to ... one of the fastest-growing investment categories in finance." Similarly, the Financial Times has reported that the bank bought the company to, "to expand its quantitative investment capabilities" and "to take the fusion between quantitative techniques and fundamental analysis to the next level, to explore how big data and machine learning can translate into real value."

Therefore, Casey's responsibilities included conceptualizing, researching, and developing the company's technology platforms and research initiatives. These were designed to improve the company's technology-driven investment processes and investment performance.

Casey's responsibilities also included communicating the company's technology platforms, technology-driven investment processes, and research agenda to institutional investors, limited partners (LPs), and investment consultants. For example, institutional investors and LPs include pension funds, endowments, foundations, banks, insurers, and sovereign wealth funds.

Publications

References

  1. ^ "Hidden Fermi Liquid : Self-consistent Theory for the Normal State of High-Tc Superconductors / Philip A. Casey. - Princeton University Library Catalog". Princeton.edu. Retrieved December 29, 2024.
  2. ^ "Hidden Fermi Liquid: Self-consistent Theory for the Normal State of High-Tc Superconductors - ProQuest". ProQuest.com. Retrieved December 29, 2024.
  3. ^ Casey, Philip A.; Anderson, Philip W. (February 28, 2011). "Hidden Fermi Liquid: Self-Consistent Theory for the Normal State of High-Tc Superconductors". Physical Review Letters. 106 (9) 097002. arXiv:1101.3609. Bibcode:2011PhRvL.106i7002C. doi:10.1103/PhysRevLett.106.097002. PMID 21405646.{{cite journal}}: CS1 maint: date and year (link)
  4. ^ Casey, Philip A.; et al. (January 13, 2008). "Accurate theoretical fits to laser-excited photoemission spectra in the normal phase of high-temperature superconductors". Nature Physics. 4 (3): 210–212. arXiv:0707.3137. Bibcode:2008NatPh...4..210C. doi:10.1038/nphys833.{{cite journal}}: CS1 maint: date and year (link)
  5. ^ Casey, Philip A. (2010). Hidden Fermi Liquid: Self-Consistent Theory for the Normal State of High-Tc Superconductors. Princeton.edu (PhD thesis). Princeton University. Bibcode:2010PhDT.......153C.
  6. ^ Anderson, Philip W.; Casey, Philip A. (September 10, 2009). "Transport anomalies of the strange metal: Resolution by hidden Fermi liquid theory". Physical Review B. 80 (9) 094508. arXiv:0903.0794. Bibcode:2009PhRvB..80i4508A. doi:10.1103/PhysRevB.80.094508.{{cite journal}}: CS1 maint: date and year (link)
  7. ^ Anderson, Philip W.; Casey, Philip A. (March 30, 2010). "Hidden Fermi liquid; the moral: a good effective low-energy theory is worth all of Monte Carlo with Las Vegas thrown in". Journal of Physics: Condensed Matter. 22 (16) 164201. Bibcode:2010JPCM...22p4201A. doi:10.1088/0953-8984/22/16/164201. PMID 21386407.{{cite journal}}: CS1 maint: date and year (link)
  8. ^ Klironomos, Alex (February 28, 2011). "Hidden simplicity". Physics. 4 s25. Bibcode:2011PhyOJ...4S..25.. doi:10.1103/Physics.4.s25.{{cite journal}}: CS1 maint: date and year (link)
  9. ^ Trivedi, Nandini (March 2008). "The electron shatters". Nature Physics. 4 (3): 163–164. Bibcode:2008NatPh...4..163T. doi:10.1038/nphys901.{{cite journal}}: CS1 maint: date and year (link)
  10. ^ Non-Academic Career Seminar - Physics Department, Princeton University at the Wayback Machine (archived 2017-03-16)
  11. ^ Soler, José (April 2007). "A rational indicator of scientific creativity". Journal of Informetrics. 1 (2): 123–130. arXiv:physics/0608006. doi:10.1016/j.joi.2006.10.004.
  12. ^ Levine, Alaina G. (May 2020). "Philip Anderson 1923–2020". APS.org. Retrieved December 29, 2024.
  13. ^ Shen, Allan (April 12, 2020). "Physics professor emeritus and Nobel laureate Phil Anderson dies at age 96". The Daily Princetonian. Retrieved December 30, 2024.
  14. ^ Veale, Scott (March 30, 2020). "Philip W. Anderson, Nobel Laureate in Physics, Is Dead at 96". The New York Times. ISSN 0362-4331. Retrieved December 29, 2024.
  15. ^ Weil, Martin (April 1, 2020). "Philip Anderson, Nobel-winning theoretical physicist, dies at 96". The Washington Post. Retrieved December 29, 2024.
  16. ^ Anderson, Philip W. (2011). "Personal history of my engagement with cuprate superconductivity, 1986-2010". International Journal of Modern Physics B. 25 (1): 1–39. arXiv:1011.2736. Bibcode:2011IJMPB..25....1A. doi:10.1142/S0217979211057013.
  17. ^ Armental, Maria (August 8, 2016). "Wells Fargo to Buy Analytic Investors". The Wall Street Journal. Retrieved December 29, 2024.
  18. ^ Flood, Chris (February 11, 2018). "Wells Fargo staff 'shocked and upset' by scandal". The Financial Times. Retrieved December 29, 2024.
  19. ^ "Wells Fargo asset management-co, analytic investors signed agreement for WFAM to buy Analytic". Reuters. August 8, 2016. Retrieved December 29, 2024.
  20. ^ "Wells Fargo to acquire Analytic Investors". Pensions & Investments. August 8, 2016. Retrieved December 29, 2024.
  21. ^ Segal, Julie (January 3, 2017). "Wells Fargo's Asset Management Arm to Launch Smart Beta Funds". Institutional Investor. Retrieved December 29, 2024.
  22. ^ Segal, Julie (October 11, 2017). "A Year After Wells Fargo Deal, Analytic Investors Branches Out". Institutional Investor. Retrieved December 29, 2024.
  23. Casey, Philip A.; Anderson, Philip W. (March 16, 2010). Normal State Transport of the Cuprates within Hidden Fermi Liquid Theory (Speech). APS March Meeting 2010. Portland, Oregon.
  24. Fantato, Damian (May 21, 2018). "Wells Fargo launches global absolute return fund". The Financial Times. Retrieved December 29, 2024.
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