English
Related papers

Related papers: The Stern Gerlach Experiment

200 papers

An experimental test of the "special state" theory of quantum measurement is proposed. It should be feasible with present-day laboratory equipment and involves a slightly elaborated Stern-Gerlach setup. The "special state" theory is…

Quantum Physics · Physics 2013-10-11 L. S. Schulman

This study utilises an experiment famous in quantum physics, the Stern-Gerlach experiment, to inform the structure of an experimental protocol from which a quantum cognitive decision model can be developed. The 'quantumness' of this model…

Neurons and Cognition · Quantitative Biology 2019-08-22 Lauren Fell , Shahram Dehdashti , Peter Bruza , Catarina Moreira

The general expression of the Stern-Gerlach force is deduced for a charged particle, endowed with a magnetic moment, which travels inside a time varying magnetic field. Then, the energy integral of the Stern-Gerlach force is evaluated in…

Accelerator Physics · Physics 2007-05-23 M. Conte , M. Ferro , G. Gemme , W. W. MacKay , R. Parodi , M. Pusterla

The multi-stage Stern$\unicode{x2013}$Gerlach experiment conducted by Frisch and Segr\`e includes two cascaded quantum measurements with a nonadiabatic flipper in between. The Frisch and Segr\`e experiment has been modeled analytically by…

Quantum Physics · Physics 2024-08-28 S. Süleyman Kahraman , Kelvin Titimbo , Zhe He , Jung-Tsung Shen , Lihong V. Wang

The advent of the Spitzer Space Telescope has revolutionized our understanding of the history of star formation and galaxy mass assembly in the Universe. The tremendous leap in sensitivity from previous mid-to-far IR missions has allowed…

Cosmology and Nongalactic Astrophysics · Physics 2009-05-08 Isaac Roseboom , Seb Oliver , Duncan Farrah , Mark Frost

A brief review of the history of the discovery of the deuteron in provided. The current status of both experiment and theory for the elastic electron scattering is then presented.

Nuclear Theory · Physics 2014-11-18 M. Garcon , J. W. Van Orden

The Stern-Gerlach experiment and the origin of electron spin are described in historical context. SPIN 2014 occurs on the fortieth anniversary of the first International High Energy Spin Physics Symposium at Argonne in 1974. A brief history…

History and Philosophy of Physics · Physics 2015-02-09 Richard G. Milner

Recently, there has been a proposal to test the quantum nature of gravity in the laboratory by witnessing the growth of entanglement between two masses in spatial quantum superpositions. The required superpositions can be created via…

Quantum Physics · Physics 2023-12-11 Lorenzo Braccini , Martine Schut , Alessio Serafini , Anupam Mazumdar , Sougato Bose

Using the wave nature of the electrons, we demonstrate that a transverse spin current can be generated simply by the diffraction through a single slit in the spin-orbital coupling system of the two-dimensional electron gas. The diffracted…

Mesoscale and Nanoscale Physics · Physics 2010-11-19 Chyh-Hong Chern , Cheng-Ju Lin

We numerically study the spin flip in the Frisch$\unicode{x2013}$Segr\`e experiment, the first multi-stage Stern$\unicode{x2013}$Gerlach experiment, within the context of the novel co-quantum dynamics theory. We model the middle stage…

Quantum Physics · Physics 2023-03-28 Kelvin Titimbo , David C. Garrett , S. Süleyman Kahraman , Zhe He , Lihong V. Wang

This lecture will present a review of the past and present tests of the General Relativity theory. The essentials of the theory will be recalled and the measurable effects will be listed and analyzed. The main historical confirmations of…

General Relativity and Quantum Cosmology · Physics 2015-03-04 Angelo Tartaglia

A dynamical model for the collapse of the wave function in a quantum measurement process is proposed by considering the interaction of a quantum system (spin-1/2) with a macroscopic quantum apparatus interacting with an environment in a…

Quantum Physics · Physics 2007-05-23 A. Venugopalan , Deepak Kumar , R. Ghosh

Most textbooks introduce the concept of spin by presenting the Stern-Gerlach experiment with the aid of Newtonian atomic trajectories. However, to understand how both spatial and spin degrees of freedom evolve over time and how the latter…

Quantum Physics · Physics 2024-02-26 K. M. Fonseca-Romero

As "Stern-Gerlach first" becomes the new paradigm within the undergraduate quantum mechanics curriculum, we show how one can extend the treatment found in conventional textbooks to cover some of the exciting new developments within the…

Physics Education · Physics 2017-12-08 W. F. Courtney , L. B. Vieira , P. S. Julienne , J. K. Freericks

The one-century-old Stern-Gerlach setup is paradigmatic for a quantum measurement. We visualize the electron trajectories following the Bohmian zig-zag dynamics. This dynamics was developed in order to deal with the fundamentally massless…

Quantum Physics · Physics 2024-03-14 Simon Krekels , Christian Maes , Kasper Meerts , Ward Struyve

All of the experiments supporting Einstein's Special Relativity Theory are also supportive of the Lorentz ether theory, or many other ether theories. However, a growing number of experiments show deviations from Einstein's Special…

Classical Physics · Physics 2011-09-14 Victor Otto de Haan

We discuss the form of the wave-function of a state subjected to a scalar linear potential, paying special attention to quantum tunneling. We analyze the phases acquired by the evolved state and show that some of them have a pure quantum…

Quantum Physics · Physics 2014-10-23 Filippo Fratini , Laleh Safari

A method for measuring the real part of the weak (local) value of spin is presented using a variant on the original Stern-Gerlach apparatus. The experiment utilises metastable helium in the $\rm 2^{3}S_{1}$ state. A full simulation using…

Quantum Physics · Physics 2017-01-18 V. Monachello , R. Flack , B. J. Hiley , R. E. Callaghan

In this paper, we propose a simplified model of optical Stern-Gerlach effect based on coherent coupling between clock transition of alkaline-earth single atoms and a traveling-wave light. It is demonstrated that spin-orbit coupling induced…

Quantum Physics · Physics 2023-03-22 Haihu Cui , Wenxi Lai

In this lecture we shall summarize the scientific legacy of LEP, in particular in connection with the Standard Model of Particle Physics; we shall also discuss some historical and sociological aspects of the experimentation at LEP.

High Energy Physics - Experiment · Physics 2017-08-23 Giorgio Giacomelli , Roberto Giacomelli