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Physics

The Physics of Fine-Tuning

Can we measure naturalness?

In the second part of their discussion, Pedro Ferreira and Jerome Martin consider ways to build the naturalness of an inflationary model into our expectations for observing it.
The Physics of Fine-Tuning

An Encyclopedia of Inflation

In the first part of their discussion, Pedro Ferreira and Jerome Martin talk about the variety of inflationary models. They discuss methods for distinguishing between them based on evidence and describe the application of Bayesian statistics to inflation.
The Physics of Fine-Tuning

Inflation in the Future

What should we expect to learn in the future? In the fourth part of their chat, Dave Sloan and Robert Brandenberger talk about how we expect inflationary theory to develop, and how observations may lead to new physics in this area.
The Physics of Fine-Tuning

Strings, Inflation, and Alternatives

In the third part of their discussion, Dave Sloan and Robert Brandenberger explain the relationship between string theory and inflationary models. Can inflation arise from particle physics, or do we need to look for alternative models?
The Physics of Fine-Tuning

Inflation Predicts

In the second part of their discussion, Dave Sloan and Robert Brandenberger tell us what inflation predicts and whether inflation itself seems fine-tuned. This discussion was conducted at the University of Oxford on March 14, 2017.
The Physics of Fine-Tuning

Evidence For Inflation

In the first part of their discussion, Dave Sloan and Robert Brandenberger go over our evidence for inflationary theories and discuss how inflationary models improve on the hot big bang.
The Physics of Fine-Tuning

Panel on Inflation

Professor Joe Silk talks with Professor Robert Brandenberger, Professor Jerome Martin, and Dr. Dave Sloan about the current state of research and controversies surrounding inflation.
The Physics of Fine-Tuning

Does Inflationary Cosmology Solve Fine-Tuning Problems?

Professor Robert Brandenberger (McGill) argues that inflationary models still face considerable challenges.
The Physics of Fine-Tuning

Inflationary Attractors

Dr David Sloan (Oxford) discusses the for inflation to occur given typical initial conditions. He argues that, on the right understanding of the background dynamics of the universe, inflationary conditions dominate.
The Physics of Fine-Tuning

Inflation After Planck

Professor Jerome Martin (Institut d’Astrophysique de Paris) explains the current state of evidence for inflationary models.
Journey of a Molecular Detective; David Sherratt

Redder is better! Exploring the universe with the successor to Hubble

Rebecca Bowler, University of Oxford give a talk about the successor to the Hubble telescope - The James Webb Space Telescope - which will detect infrared radiation.
Journey of a Molecular Detective; David Sherratt

On the trail of the most energetic particles in the universe

Rafael Alves Batista, University of Oxford, gives a talk about cosmic rays.
Oxford Physics Public Lectures

The Future of Particle Physics Panel Discussion

Panel discussion with Prof John Womersley (STFC), Prof John Wheater (Department of Physics), Prof Ian Shipsey (Particle Physics), Prof Dave Wark (Particle Physics), Prof Daniella Bortoletto (Physics) and Prof Subir Sarkar (Particle Theory Group)
Oxford Physics Public Lectures

The Future of Particle Physics: The Particle Physics Christmas Lecture

Professor John Womersley (STFC) gives the Particle Physics Christmas Lecture.
Big Questions - with Oxford Sparks

How do you make scientific equipment space proof?

Since the 1960’s man has been sending missions to Mars. Some successes, some failures. This hasn’t stopped scientists trying to explore this incredible red planet.
The Physics of Fine-Tuning

The Observer Strikes Back

What is an observer? In the fifth and final part of their discussion, Jim Hartle and Bernard Carr discuss the nature of observers.
The Physics of Fine-Tuning

No Boundaries for Quantum Cosmology

Where is the observer in the universe? In the fourth part of their discussion, Jim Hartle and Bernard Carr discuss Jim Hartle’s no-boundary proposal.
The Physics of Fine-Tuning

Physics and Philosophy

What are the limits of physics? In the third part of their discussion, Bernard Carr and Jim Hartle talk about the point at which physics ends and philosophy begins.
The Physics of Fine-Tuning

The Quantum and Cosmological Scales

How do we combine our theory of the very small with our theory of the largest scales of the universe? In the second part of their discussion, Jim Hartle and Bernard Carr hash out the connections between cosmology and quantum mechanics.
The Physics of Fine-Tuning

What Fine Tunings Are There?

Is the universe fine-tuned for life? In the first part of their discussion, Bernard Carr and Jim Hartle discuss how physical theories might contain unexplained assumptions that are necessary for the existence of life.

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