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Heavy polar diatomic molecules are the primary tools for searching for the T-violating permanent electric dipole moment of the electron (eEDM). Valence electrons in some molecules experience extremely large effective electric fields due to…

Atomic Physics · Physics 2015-06-11 V. S. Prasannaa , A. C. Vutha , M. Abe , B. P. Das

Heavy polar diatomic molecules are the leading candidates in searches for the permanent electric dipole moment of the electron (eEDM). Next-generation eEDM search experiments ideally require extremely large coherence times, in large…

Atomic Physics · Physics 2019-04-10 A. Sunaga , V. S. Prasannaa , A. C. Vutha , M. Abe , M. Hada , B. P. Das

The electric dipole moment of an electron (eEDM) is one of the sensitive probes of physics beyond the standard model. The possible existence of the eEDM gives rise to an experimentally observed energy shift, which is proportional to the…

Computational Physics · Physics 2017-01-18 A. Sunaga , M. Abe , M. Hada , B. P. Das

In this article, we have employed relativistic many-body theory to theoretically assess the suitability of TlF+ molecular ion in its ground state for electron electric dipole moment searches. To that end, we have computed values of the…

Atomic Physics · Physics 2022-10-12 R. Bala , V. S. Prasannaa , M. Abe , B. P. Das

A large number of well motivated searches for permanent Electric Dipole Moments are presently under way which have a robust discovery potential. The field has seen a number of novel ideas concerning both possible experimental and…

High Energy Physics - Experiment · Physics 2008-11-26 Klaus Jungmann

Heavy polar diatomic molecules are currently among the most promising probes of fundamental physics. Constraining the electric dipole moment of the electron (eEDM), in order to explore physics beyond the Standard Model, requires a synergy…

Atomic Physics · Physics 2018-04-18 M Abe , V S Prasannaa , B P Das

This paper is a theoretical work in support of a newly proposed experiment (R. Stutz and E. Cornell, Bull. Am. Soc. Phys. 89, 76 2004) that promises greater sensitivity to measurements of the electron's electric dipole moment (EDM) based on…

Atomic Physics · Physics 2009-11-11 Edmund R. Meyer , John L. Bohn , Michael P. Deskevich

The prospect of laser cooling of polyatomic molecules has opened a new avenue in the search for the electric dipole moment of the electron (eEDM). An upper bound on the eEDM would probe new physics arising from beyond the Standard Model of…

Atomic Physics · Physics 2019-06-12 V. S. Prasannaa , N. Shitara , A. Sakurai , M. Abe , B. P. Das

We introduce four new molecules -- YbRb, YbCs, YbSr$^+$, and YbBa$^+$ -- that may prove fruitful in experimental searches for the electric dipole moment (EDM) of the electron. These molecules can, in principle, be prepared at extremely low…

Atomic Physics · Physics 2015-05-13 Edmund R. Meyer , John L. Bohn

In the quest to find a favourable triatomic molecule for detecting electric dipole moment of an electron (eEDM), we identify mercury hydroxide (HgOH) as an extremely attractive candidate from both experimental and theoretical viewpoints.…

Atomic Physics · Physics 2019-08-21 R. Mitra , V. S. Prasannaa , B. K. Sahoo , X. Tong , M. Abe , B. P. Das

In this work, we have studied the permanent electric dipole moments of singly charged aluminium monohalides in their electronic ground state, X$^2\Sigma$, using Kramers-restricted relativistic configuration interaction method. We report our…

Atomic Physics · Physics 2023-05-31 R. Bala , V. S. Prasannaa , B. P. Das

Controlling interactions between cold molecules using external fields can elucidate the role of quantum mechanics in molecular collisions. We create a new experimental platform in which ultracold rubidium atoms and cold ammonia molecules…

Atomic Physics · Physics 2011-05-24 L. P. Parazzoli , N. J. Fitch , P. S. Zuchowski , J. M. Hutson , H. J. Lewandowski

We present an updated EDM effective electric field of $E_{\text{eff}} = 75.2\left[\frac{\rm GV}{\rm cm}\right]$ and the electron-nucleon scalar-pseudoscalar interaction constant $W_S=107.8$ [kHz] for the ${^3\Delta}_1$ science state of ThO.…

Atomic Physics · Physics 2016-05-11 Malika Denis , Timo Fleig

We calculate an effective electric field on the unpaired electron in the YbF molecule. This field determines sensitivity of the molecular experiment to the electric dipole moment of the electron. We use experimental value of the…

Atomic Physics · Physics 2009-10-30 Mikhail Kozlov

A resolution over the existence of magnetic charges has eluded the high energy physics community for centuries, and their search has gained momentum as recent models predict these may be observable at current colliders. They appear in field…

High Energy Physics - Phenomenology · Physics 2019-05-23 Stephanie Baines

The behavior of interacting electrons in a perfect crystal under macroscopic external electric and magnetic fields is studied. Effective Maxwell equations for the macroscopic electric and magnetic fields are derived starting from…

Mathematical Physics · Physics 2010-10-26 Weinan E , Jianfeng Lu , Xu Yang

Proposals for quantum computing using rotational states of polar molecules as qubits have previously considered only diatomic molecules. For these the Stark effect is second-order, so a sizable external electric field is required to produce…

Quantum Physics · Physics 2015-05-30 Qi Wei , Sabre Kais , Bretislav Friedrich , Dudley Herschbach

We develop a \pi-electron effective field theory (\pi-EFT) wherein the two-body Hamiltonian for a \pi-electron system is expressed in terms of three effective parameters: the \pi-orbital quadrupole moment, the on-site repulsion, and a…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 Joshua D. Barr , Justin P. Bergfield , Charles A. Stafford

Three-dimensional electron phase space holes are shown to be positive charges on the plasma background which produce a radial electric field and force the trapped electron component into an azimuthal drift. In this way electron holes…

Space Physics · Physics 2012-04-20 R. A. Treumann , W. Baumjohann

A scheme to derive hadronic interactions induced by effective multi-quark terms is presented within the framework of chiral effective field theory. It is employed to work out the list of parity- and time-reversal-symmetry-violating hadronic…

High Energy Physics - Phenomenology · Physics 2015-05-19 J. Bsaisou , Ulf-G. Meißner , A. Nogga , A. Wirzba
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