Journal of Low Temperature Physics

, Volume 187, Issue 5–6, pp 369–375 | Cite as

Fission of Multielectron Bubbles in Liquid Helium Under Electric Fields



Multielectron bubbles (MEBs) are cavities in liquid helium which contain a layer of electrons trapped within few nanometres from their inner surfaces. These bubbles are promising candidates to probe a system of interacting electrons in curved geometries, but have been subjected to limited experimental investigation. Here, we report on the observation of fission of MEBs under strong electric fields, which arises due to fast rearrangement of electrons inside the bubbles, leading to their deformation and eventually instability. We measured the electrons to be distributed unequally between the daughter bubbles which could be used to control the charge density inside MEBs.


Multielectron bubbles 



We thank Emil M. Joseph for helpful discussions. This work was supported by Nanomission, Science and Engineering Research Board, India. The usage of the facilities in Micro and Nano Characterization Facility (MNCF, CeNSE) at IISc is gratefully acknowledged, and the work is partially supported by the Ministry of Communication and Information Technology under a grant for the Centre of Excellence in Nanoelectronics, Phase II.


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© Springer Science+Business Media New York 2016

Authors and Affiliations

  1. 1.Department of PhysicsIndian Institute of ScienceBangaloreIndia
  2. 2.Centre for Nano Science and EngineeringIndian Institute of ScienceBangaloreIndia
  3. 3.Department of Electrical Communication EngineeringIndian Institute of ScienceBangaloreIndia

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