Please use this identifier to cite or link to this item:
https://hdl.handle.net/10356/138032
Title: | Transition from static to dynamic friction in an array of frictional disks | Authors: | Charan, Harish Chattoraj, Joyjit Pica Ciamarra, Massimo Procaccia, Itamar |
Keywords: | Science::Physics::Atomic physics::Statistical physics | Issue Date: | 2020 | Source: | Charan, H., Chattoraj, J., Pica Ciamarra, M., & Procaccia, I. (2020). Transition from static to dynamic friction in an array of frictional disks. Physical Review Letters, 124(3), 030602-. doi:10.1103/PhysRevLett.124.030602 | Journal: | Physical Review Letters | Abstract: | The nature of an instability that controls the transition from static to dynamical friction is studied in the context of an array of frictional disks that are pressed from above on a substrate. In this case the forces are all explicit and Newtonian dynamics can be employed without any phenomenological assumptions. We show that an oscillatory instability that had been discovered recently is responsible for the transition, allowing individual disks to spontaneously reach the Coulomb limit and slide with dynamic friction. The transparency of the model allows a full understanding of the phenomenon, including the speeds of the waves that travel from the trailing to the leading edge and vice versa. | URI: | https://hdl.handle.net/10356/138032 | ISSN: | 0031-9007 | DOI: | 10.1103/PhysRevLett.124.030602 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2020 American Physical Society. All rights reserved. This paper was published in Physical Review Letters and is made available with permission of American Physical Society. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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File | Description | Size | Format | |
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PhysRevLett.124.030602.pdf | 722.88 kB | Adobe PDF | View/Open |
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