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1 day ago · Located on the Ottawa River, it had access to abundant water. The first director of the new laboratory was Hans von Halban. He was replaced by John Cockcroft in May 1944, who was succeeded by Bennett Lewis in September 1946.
5 days ago · In this paper, we introduce an alternative approach, which involves starting with the Bethe ansatz solution of the renowned spin-1/2 XXZ Hamiltonian and leveraging it to derive a quantum circuit capable of preparing the exact energy eigenstates.
2 days ago · On G. I. Taylor's advice and recommendation, Dyson moved to the United States in 1947 as a Commonwealth Fellow for postgraduate study with Hans Bethe at Cornell University (1947–1948). [25] [26] There he made the acquaintance of Richard Feynman .
1 day ago · Werner Karl Heisenberg ( pronounced [ˈvɛʁnɐ kaʁl ˈhaɪzn̩bɛʁk] ⓘ; 5 December 1901 – 1 February 1976) [2] was a German theoretical physicist, one of the main pioneers of the theory of quantum mechanics, and a principal scientist in the Nazi nuclear weapons program during World War II.
5 days ago · In 1931 Hans Bethe introduced an ansatz for the eigenstates of the antiferromagnetic Heisenberg Hamiltonian in a closed spin-1/2 chain [1]. This ansatz involves the summation of permutations of plane waves, with their quasi-momenta coupled through transcendental equations known as Bethe equations.
May 16, 2024 · Much like Prometheus, the Greek god of fire who was punished by Zeus for giving fire to humans, the post World War II life of Robert Oppenheimer doomed him to serve penance for what many saw as conceit compounded by his many human frailties—sexual, political and intellectual.
5 days ago · United States physicist (born in Germany) noted for research in astrophysics and nuclear physics (1906-2005)
