scholarly journals Towards holographic higher-spin interactions: four-point functions and higher-spin exchange

2015 ◽  
Vol 2015 (3) ◽  
Author(s):  
X. Bekaert ◽  
J. Erdmenger ◽  
D. Ponomarev ◽  
C. Sleight
Keyword(s):  
Spin Exchange ◽  
Spin Interactions ◽  
Higher Spin

scholarly journals Non-associative gauge theory and higher spin interactions

2005 ◽  
Vol 2005 (03) ◽  
pp. 072-072 ◽  
Author(s):  
Paul de Medeiros ◽  
Sanjaye Ramgoolam
Keyword(s):  
Gauge Theory ◽  
Spin Interactions ◽  
Higher Spin

scholarly journals Constraints for three-dimensional higher-spin interactions and conformal correlators

2019 ◽  
Vol 100 (6) ◽  
Author(s):  
Stefan Fredenhagen ◽  
Olaf Krüger ◽  
Karapet Mkrtchyan
Keyword(s):  
Three Dimensional ◽  
Spin Interactions ◽  
Higher Spin

scholarly journals String lessons for higher-spin interactions

2011 ◽  
Vol 842 (3) ◽  
pp. 299-361 ◽  
Author(s):  
A. Sagnotti ◽  
M. Taronna
Keyword(s):  
Spin Interactions ◽  
Higher Spin

scholarly journals Scalar scattering via conformal higher spin exchange

2016 ◽  
Vol 2016 (2) ◽  
Author(s):  
Euihun Joung ◽  
Simon Nakach ◽  
Arkady A. Tseytlin
Keyword(s):  
Spin Exchange ◽  
Higher Spin ◽  
Scalar Scattering

scholarly journals A calculus for higher spin interactions

2013 ◽  
Vol 2013 (7) ◽  
Author(s):  
Euihun Joung ◽  
Massimo Taronna ◽  
Andrew Waldron
Keyword(s):  
Spin Interactions ◽  
Higher Spin

scholarly journals Higher spin interactions in four-dimensions: Vasiliev versus Fronsdal

2016 ◽  
Vol 49 (9) ◽  
pp. 095402 ◽  
Author(s):  
Nicolas Boulanger ◽  
Pan Kessel ◽  
Evgeny Skvortsov ◽  
Massimo Taronna
Keyword(s):  
Four Dimensions ◽  
Spin Interactions ◽  
Higher Spin

scholarly journals Quantum spin dynamics with pairwise-tunable, long-range interactions

2016 ◽  
Vol 113 (34) ◽  
pp. E4946-E4955 ◽  
Author(s):  
C.-L. Hung ◽  
Alejandro González-Tudela ◽  
J. Ignacio Cirac ◽  
H. J. Kimble
Keyword(s):  
Spin Exchange ◽  
Spin Dynamics ◽  
Explicit Construction ◽  
Quantum Spin ◽  
Interaction Coefficients ◽  
Spin Models ◽  
Spin Lattice ◽  
Full Control ◽  
Spin Interactions ◽  
Atomic States

We present a platform for the simulation of quantum magnetism with full control of interactions between pairs of spins at arbitrary distances in 1D and 2D lattices. In our scheme, two internal atomic states represent a pseudospin for atoms trapped within a photonic crystal waveguide (PCW). With the atomic transition frequency aligned inside a band gap of the PCW, virtual photons mediate coherent spin–spin interactions between lattice sites. To obtain full control of interaction coefficients at arbitrary atom–atom separations, ground-state energy shifts are introduced as a function of distance across the PCW. In conjunction with auxiliary pump fields, spin-exchange versus atom–atom separation can be engineered with arbitrary magnitude and phase, and arranged to introduce nontrivial Berry phases in the spin lattice, thus opening new avenues for realizing topological spin models. We illustrate the broad applicability of our scheme by explicit construction for several well-known spin models.

scholarly journals Constraints on anomalous spin-spin interactions from spin-exchange collisions

2010 ◽  
Vol 82 (6) ◽  
Author(s):  
D. F. Jackson Kimball ◽  
Alec Boyd ◽  
D. Budker
Keyword(s):  
Spin Exchange ◽  
Spin Interactions

scholarly journals Cavity-mediated collective spin-exchange interactions in a strontium superradiant laser

Science ◽  
2018 ◽  
Vol 361 (6399) ◽  
pp. 259-262 ◽  
Author(s):  
Matthew A. Norcia ◽  
Robert J. Lewis-Swan ◽  
Julia R. K. Cline ◽  
Bihui Zhu ◽  
Ana M. Rey ◽  
...  
Keyword(s):  
Spin Exchange ◽  
Energy Gap ◽  
Optical Cavity ◽  
Exchange Interactions ◽  
Quantum Correlations ◽  
Future Design ◽  
Quantum Simulators ◽  
Spin Interactions ◽  
And Control ◽  
Body Energy

Laser-cooled and quantum degenerate atoms are being pursued as quantum simulators and form the basis of today’s most precise sensors. A key challenge toward these goals is to understand and control coherent interactions between the atoms. We observe long-range exchange interactions mediated by an optical cavity, which manifest as tunable spin-spin interactions on the pseudo spin-½ system composed of the millihertz linewidth clock transition in strontium. This leads to one-axis twisting dynamics, the emergence of a many-body energy gap, and gap protection of the optical coherence against certain sources of decoherence. Our observations will aid in the future design of versatile quantum simulators and the next generation of atomic clocks that use quantum correlations for enhanced metrology.

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