Nima Arkani-Hamed (نیما ارکانی حامد — born April 5, 1972) is an Iranian-American-Canadian physicist, specializing in high-energy physics and string theory. Arkani-Hamed is now on the faculty at the Institute for Advanced Study and won the 2012 Breakthrough Prize in Fundamental Physics.
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- Two of the major questions left unanswered by the Standard Model of particle physics have to do with hierarchies of mass scales. The first is the flavor problem: what determines the masses of the quarks and leptons, and why do they span such a large range, e.g. why is the top quark 3 × 105 times heavier than the electron? The second is the gauge hierarchy problem: why is the weak scale seventeen orders of magnitude smaller than the Planck scale?
- There are still many open questions that need answering: Why does gravity defy the notion of space-time in short distances? Why are there humongous quantum fluctuations in shorter distances? How is a larger Universe possible? These questions relate to the hierarchy problem and fine tuning and are divided into two stages. First, one should ask: “Why is there a macroscopic Universe that is not broken in the Planck scale,” and second: “Why are there large scale structures in the large Universe and they are not broken into Planck scale black holes?”
- Interview with Nima Arkani Hamed by Panos Charitos, Newsletter of the EP department, CERN (30 August 2015)
- The stakes are higher than the past. We aren’t asking about this or that particle, but something much more deeply structural about physical reality. … By far the best way to settle this question is to lead a charge to the highest possible energies and build a 100-TeV collider.
- "Visions of Future Physics", an interview with Nima Arkani-Hamed by Béatrice de Géa, Quanta Magazine (22 September 2015)
- The hierarchy problem is the elephant in the room. ... And it originally showed up in the context of doublet–triplet splitting problem.
- (20 July 2017)"Where in the World are SUSY & WIMPS? - Nima Arkani-Hamed". YouTube. (12:36 of 1:40:31)
- This is the best few tens of billions years in the history of the universe to do cosmology.
- (4 December 2017)"PSW 2384 The Doom of Space Time: Why It Must Dissolve Into More Fundamental Structures, Arkani-Hamed". YouTube. (45:46 of 2:07:09)
- Whether in physics and mathematics or in the humanities, when something really finally works, it has a certain perfection to it, a feeling of inevitability, like it was so completely obvious all along, and it couldn't be any other way.
- #qotd #quote of the day #IASIdeas, twitter.com (12 July 2018). (9:05 AM)
- ... like most physicists, I really enjoy talking about physics.
- (April 2, 2021)"A Conversation with Nima Arkani-Hamed: The Power of Principles, Physics Revealed (Part I)". YouTube. (quote at 2:47 of 57:39)
- ... nature has very few good ideas — it recycles them in subtle and interesting ways, over and over again — and it's our job to understand how that works.
- (April 2, 2021)"A Conversation with Nima Arkani-Hamed: The Power of Principles, Physics Revealed (Part II)". YouTube. (quote at 51:12 of 52:41)